Home / 3,561.60-5,345.19-2,869.95

Finding the Fourth Proportional to 3,561.60, 5,345.19 and 2,869.95

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Solution

The fourth proportional to 3,561.60, 5,345.19 and 2,869.95 is: 4,307.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.60 : 5,345.19 = 2,869.95 : x
  2. Step 2: Convert to fraction form
    3,561.60/5,345.19 = 2,869.95/x
  3. Step 3: Cross multiply
    3,561.60x = 5,345.19 × 2,869.95
  4. Step 4: Simplify right side
    3,561.60x = 15,340,428.04
  5. Step 5: Solve for x
    x = 15,340,428.04/3,561.60
  6. Step 6: Final answer
    x = 4,307.17

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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.