Home / 2,754.03-4,130.67-905.10

Finding the Fourth Proportional to 2,754.03, 4,130.67 and 905.10

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Solution

The fourth proportional to 2,754.03, 4,130.67 and 905.10 is: 1,357.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754.03 : 4,130.67 = 905.10 : x
  2. Step 2: Convert to fraction form
    2,754.03/4,130.67 = 905.10/x
  3. Step 3: Cross multiply
    2,754.03x = 4,130.67 × 905.10
  4. Step 4: Simplify right side
    2,754.03x = 3,738,669.42
  5. Step 5: Solve for x
    x = 3,738,669.42/2,754.03
  6. Step 6: Final answer
    x = 1,357.53

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.