Home / 1,615.04-2,420.28-1,036.88

Finding the Fourth Proportional to 1,615.04, 2,420.28 and 1,036.88

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Solution

The fourth proportional to 1,615.04, 2,420.28 and 1,036.88 is: 1,553.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615.04 : 2,420.28 = 1,036.88 : x
  2. Step 2: Convert to fraction form
    1,615.04/2,420.28 = 1,036.88/x
  3. Step 3: Cross multiply
    1,615.04x = 2,420.28 × 1,036.88
  4. Step 4: Simplify right side
    1,615.04x = 2,509,539.93
  5. Step 5: Solve for x
    x = 2,509,539.93/1,615.04
  6. Step 6: Final answer
    x = 1,553.86

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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.