Home / 1,732.11-2,392.52-1,210.47

Finding the Fourth Proportional to 1,732.11, 2,392.52 and 1,210.47

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Solution

The fourth proportional to 1,732.11, 2,392.52 and 1,210.47 is: 1,671.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,732.11 : 2,392.52 = 1,210.47 : x
  2. Step 2: Convert to fraction form
    1,732.11/2,392.52 = 1,210.47/x
  3. Step 3: Cross multiply
    1,732.11x = 2,392.52 × 1,210.47
  4. Step 4: Simplify right side
    1,732.11x = 2,896,073.68
  5. Step 5: Solve for x
    x = 2,896,073.68/1,732.11
  6. Step 6: Final answer
    x = 1,671.99

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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.