Home / 1,527.49-2,116.36-1,503.91

Finding the Fourth Proportional to 1,527.49, 2,116.36 and 1,503.91

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Solution

The fourth proportional to 1,527.49, 2,116.36 and 1,503.91 is: 2,083.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527.49 : 2,116.36 = 1,503.91 : x
  2. Step 2: Convert to fraction form
    1,527.49/2,116.36 = 1,503.91/x
  3. Step 3: Cross multiply
    1,527.49x = 2,116.36 × 1,503.91
  4. Step 4: Simplify right side
    1,527.49x = 3,182,814.97
  5. Step 5: Solve for x
    x = 3,182,814.97/1,527.49
  6. Step 6: Final answer
    x = 2,083.69

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.