Home / 1,537.28-2,302.90-1,015.70

Finding the Fourth Proportional to 1,537.28, 2,302.90 and 1,015.70

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Solution

The fourth proportional to 1,537.28, 2,302.90 and 1,015.70 is: 1,521.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,537.28 : 2,302.90 = 1,015.70 : x
  2. Step 2: Convert to fraction form
    1,537.28/2,302.90 = 1,015.70/x
  3. Step 3: Cross multiply
    1,537.28x = 2,302.90 × 1,015.70
  4. Step 4: Simplify right side
    1,537.28x = 2,339,055.53
  5. Step 5: Solve for x
    x = 2,339,055.53/1,537.28
  6. Step 6: Final answer
    x = 1,521.55

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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.