Home / 2,951.60-4,423.36-1,491.76

Finding the Fourth Proportional to 2,951.60, 4,423.36 and 1,491.76

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Solution

The fourth proportional to 2,951.60, 4,423.36 and 1,491.76 is: 2,235.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.60 : 4,423.36 = 1,491.76 : x
  2. Step 2: Convert to fraction form
    2,951.60/4,423.36 = 1,491.76/x
  3. Step 3: Cross multiply
    2,951.60x = 4,423.36 × 1,491.76
  4. Step 4: Simplify right side
    2,951.60x = 6,598,591.51
  5. Step 5: Solve for x
    x = 6,598,591.51/2,951.60
  6. Step 6: Final answer
    x = 2,235.60

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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.