Home / 3,624.60-5,438.10-1,159.80

Finding the Fourth Proportional to 3,624.60, 5,438.10 and 1,159.80

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Solution

The fourth proportional to 3,624.60, 5,438.10 and 1,159.80 is: 1,740.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,624.60 : 5,438.10 = 1,159.80 : x
  2. Step 2: Convert to fraction form
    3,624.60/5,438.10 = 1,159.80/x
  3. Step 3: Cross multiply
    3,624.60x = 5,438.10 × 1,159.80
  4. Step 4: Simplify right side
    3,624.60x = 6,307,108.38
  5. Step 5: Solve for x
    x = 6,307,108.38/3,624.60
  6. Step 6: Final answer
    x = 1,740.08

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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.