Home / 1,445.46-2,167.14-714.03

Finding the Fourth Proportional to 1,445.46, 2,167.14 and 714.03

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Solution

The fourth proportional to 1,445.46, 2,167.14 and 714.03 is: 1,070.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445.46 : 2,167.14 = 714.03 : x
  2. Step 2: Convert to fraction form
    1,445.46/2,167.14 = 714.03/x
  3. Step 3: Cross multiply
    1,445.46x = 2,167.14 × 714.03
  4. Step 4: Simplify right side
    1,445.46x = 1,547,402.97
  5. Step 5: Solve for x
    x = 1,547,402.97/1,445.46
  6. Step 6: Final answer
    x = 1,070.53

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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.