Home / 1,476.62-2,031.64-1,440.17

Finding the Fourth Proportional to 1,476.62, 2,031.64 and 1,440.17

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Solution

The fourth proportional to 1,476.62, 2,031.64 and 1,440.17 is: 1,981.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476.62 : 2,031.64 = 1,440.17 : x
  2. Step 2: Convert to fraction form
    1,476.62/2,031.64 = 1,440.17/x
  3. Step 3: Cross multiply
    1,476.62x = 2,031.64 × 1,440.17
  4. Step 4: Simplify right side
    1,476.62x = 2,925,906.98
  5. Step 5: Solve for x
    x = 2,925,906.98/1,476.62
  6. Step 6: Final answer
    x = 1,981.49

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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.