Home / 1,607.18-2,410.97-619.76

Finding the Fourth Proportional to 1,607.18, 2,410.97 and 619.76

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Solution

The fourth proportional to 1,607.18, 2,410.97 and 619.76 is: 929.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,607.18 : 2,410.97 = 619.76 : x
  2. Step 2: Convert to fraction form
    1,607.18/2,410.97 = 619.76/x
  3. Step 3: Cross multiply
    1,607.18x = 2,410.97 × 619.76
  4. Step 4: Simplify right side
    1,607.18x = 1,494,225.70
  5. Step 5: Solve for x
    x = 1,494,225.70/1,607.18
  6. Step 6: Final answer
    x = 929.72

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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.