Home / 2,547.40-3,513-1,707.16

Finding the Fourth Proportional to 2,547.40, 3,513 and 1,707.16

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Solution

The fourth proportional to 2,547.40, 3,513 and 1,707.16 is: 2,354.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,547.40 : 3,513 = 1,707.16 : x
  2. Step 2: Convert to fraction form
    2,547.40/3,513 = 1,707.16/x
  3. Step 3: Cross multiply
    2,547.40x = 3,513 × 1,707.16
  4. Step 4: Simplify right side
    2,547.40x = 5,997,253.08
  5. Step 5: Solve for x
    x = 5,997,253.08/2,547.40
  6. Step 6: Final answer
    x = 2,354.26

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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.