Home / 1,350.72-2,025.02-619.76

Finding the Fourth Proportional to 1,350.72, 2,025.02 and 619.76

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Solution

The fourth proportional to 1,350.72, 2,025.02 and 619.76 is: 929.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350.72 : 2,025.02 = 619.76 : x
  2. Step 2: Convert to fraction form
    1,350.72/2,025.02 = 619.76/x
  3. Step 3: Cross multiply
    1,350.72x = 2,025.02 × 619.76
  4. Step 4: Simplify right side
    1,350.72x = 1,255,026.40
  5. Step 5: Solve for x
    x = 1,255,026.40/1,350.72
  6. Step 6: Final answer
    x = 929.15

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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.