Home / 1,615.29-2,435.01-1,508.13

Finding the Fourth Proportional to 1,615.29, 2,435.01 and 1,508.13

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Solution

The fourth proportional to 1,615.29, 2,435.01 and 1,508.13 is: 2,273.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615.29 : 2,435.01 = 1,508.13 : x
  2. Step 2: Convert to fraction form
    1,615.29/2,435.01 = 1,508.13/x
  3. Step 3: Cross multiply
    1,615.29x = 2,435.01 × 1,508.13
  4. Step 4: Simplify right side
    1,615.29x = 3,672,311.63
  5. Step 5: Solve for x
    x = 3,672,311.63/1,615.29
  6. Step 6: Final answer
    x = 2,273.47

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.