Home / 1,401.17-2,101.15-476.48

Finding the Fourth Proportional to 1,401.17, 2,101.15 and 476.48

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Solution

The fourth proportional to 1,401.17, 2,101.15 and 476.48 is: 714.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401.17 : 2,101.15 = 476.48 : x
  2. Step 2: Convert to fraction form
    1,401.17/2,101.15 = 476.48/x
  3. Step 3: Cross multiply
    1,401.17x = 2,101.15 × 476.48
  4. Step 4: Simplify right side
    1,401.17x = 1,001,148.32
  5. Step 5: Solve for x
    x = 1,001,148.32/1,401.17
  6. Step 6: Final answer
    x = 714.51

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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.