Home / 2,889.60-4,337.28-1,591.68

Finding the Fourth Proportional to 2,889.60, 4,337.28 and 1,591.68

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Solution

The fourth proportional to 2,889.60, 4,337.28 and 1,591.68 is: 2,389.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889.60 : 4,337.28 = 1,591.68 : x
  2. Step 2: Convert to fraction form
    2,889.60/4,337.28 = 1,591.68/x
  3. Step 3: Cross multiply
    2,889.60x = 4,337.28 × 1,591.68
  4. Step 4: Simplify right side
    2,889.60x = 6,903,561.83
  5. Step 5: Solve for x
    x = 6,903,561.83/2,889.60
  6. Step 6: Final answer
    x = 2,389.11

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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.