Home / 3,287.84-4,931.68-1,530.95

Finding the Fourth Proportional to 3,287.84, 4,931.68 and 1,530.95

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Solution

The fourth proportional to 3,287.84, 4,931.68 and 1,530.95 is: 2,296.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.84 : 4,931.68 = 1,530.95 : x
  2. Step 2: Convert to fraction form
    3,287.84/4,931.68 = 1,530.95/x
  3. Step 3: Cross multiply
    3,287.84x = 4,931.68 × 1,530.95
  4. Step 4: Simplify right side
    3,287.84x = 7,550,123.18
  5. Step 5: Solve for x
    x = 7,550,123.18/3,287.84
  6. Step 6: Final answer
    x = 2,296.38

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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.