Home / 1,548.03-2,135.96-885.10

Finding the Fourth Proportional to 1,548.03, 2,135.96 and 885.10

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Solution

The fourth proportional to 1,548.03, 2,135.96 and 885.10 is: 1,221.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548.03 : 2,135.96 = 885.10 : x
  2. Step 2: Convert to fraction form
    1,548.03/2,135.96 = 885.10/x
  3. Step 3: Cross multiply
    1,548.03x = 2,135.96 × 885.10
  4. Step 4: Simplify right side
    1,548.03x = 1,890,538.20
  5. Step 5: Solve for x
    x = 1,890,538.20/1,548.03
  6. Step 6: Final answer
    x = 1,221.25

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,549.03, 2,137.34 and 886.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.