Home / 1,752.11-2,615.52-1,490.35

Finding the Fourth Proportional to 1,752.11, 2,615.52 and 1,490.35

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Solution

The fourth proportional to 1,752.11, 2,615.52 and 1,490.35 is: 2,224.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752.11 : 2,615.52 = 1,490.35 : x
  2. Step 2: Convert to fraction form
    1,752.11/2,615.52 = 1,490.35/x
  3. Step 3: Cross multiply
    1,752.11x = 2,615.52 × 1,490.35
  4. Step 4: Simplify right side
    1,752.11x = 3,898,031.61
  5. Step 5: Solve for x
    x = 3,898,031.61/1,752.11
  6. Step 6: Final answer
    x = 2,224.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.