Home / 3,287.30-4,931.18-1,035.63

Finding the Fourth Proportional to 3,287.30, 4,931.18 and 1,035.63

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Solution

The fourth proportional to 3,287.30, 4,931.18 and 1,035.63 is: 1,553.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.30 : 4,931.18 = 1,035.63 : x
  2. Step 2: Convert to fraction form
    3,287.30/4,931.18 = 1,035.63/x
  3. Step 3: Cross multiply
    3,287.30x = 4,931.18 × 1,035.63
  4. Step 4: Simplify right side
    3,287.30x = 5,106,872.77
  5. Step 5: Solve for x
    x = 5,106,872.77/3,287.30
  6. Step 6: Final answer
    x = 1,553.52

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1.5x scale

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.