Home / 2,014.40-2,779.30-1,175.14

Finding the Fourth Proportional to 2,014.40, 2,779.30 and 1,175.14

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Solution

The fourth proportional to 2,014.40, 2,779.30 and 1,175.14 is: 1,621.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,014.40 : 2,779.30 = 1,175.14 : x
  2. Step 2: Convert to fraction form
    2,014.40/2,779.30 = 1,175.14/x
  3. Step 3: Cross multiply
    2,014.40x = 2,779.30 × 1,175.14
  4. Step 4: Simplify right side
    2,014.40x = 3,266,066.60
  5. Step 5: Solve for x
    x = 3,266,066.60/2,014.40
  6. Step 6: Final answer
    x = 1,621.36

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Half scale
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Double scale
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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.