Home / 2,397.14-3,307.20-1,402.05

Finding the Fourth Proportional to 2,397.14, 3,307.20 and 1,402.05

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Solution

The fourth proportional to 2,397.14, 3,307.20 and 1,402.05 is: 1,934.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,397.14 : 3,307.20 = 1,402.05 : x
  2. Step 2: Convert to fraction form
    2,397.14/3,307.20 = 1,402.05/x
  3. Step 3: Cross multiply
    2,397.14x = 3,307.20 × 1,402.05
  4. Step 4: Simplify right side
    2,397.14x = 4,636,859.76
  5. Step 5: Solve for x
    x = 4,636,859.76/2,397.14
  6. Step 6: Final answer
    x = 1,934.33

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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.