Home / 1,742.67-2,406.14-1,114.20

Finding the Fourth Proportional to 1,742.67, 2,406.14 and 1,114.20

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Solution

The fourth proportional to 1,742.67, 2,406.14 and 1,114.20 is: 1,538.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742.67 : 2,406.14 = 1,114.20 : x
  2. Step 2: Convert to fraction form
    1,742.67/2,406.14 = 1,114.20/x
  3. Step 3: Cross multiply
    1,742.67x = 2,406.14 × 1,114.20
  4. Step 4: Simplify right side
    1,742.67x = 2,680,915.62
  5. Step 5: Solve for x
    x = 2,680,915.62/1,742.67
  6. Step 6: Final answer
    x = 1,538.40

Related Problems

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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.