Home / 2,376.08-3,562.20-990.46

Finding the Fourth Proportional to 2,376.08, 3,562.20 and 990.46

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Solution

The fourth proportional to 2,376.08, 3,562.20 and 990.46 is: 1,484.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376.08 : 3,562.20 = 990.46 : x
  2. Step 2: Convert to fraction form
    2,376.08/3,562.20 = 990.46/x
  3. Step 3: Cross multiply
    2,376.08x = 3,562.20 × 990.46
  4. Step 4: Simplify right side
    2,376.08x = 3,528,216.61
  5. Step 5: Solve for x
    x = 3,528,216.61/2,376.08
  6. Step 6: Final answer
    x = 1,484.89

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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.