Home / 2,376.10-3,565.23-990.46

Finding the Fourth Proportional to 2,376.10, 3,565.23 and 990.46

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Solution

The fourth proportional to 2,376.10, 3,565.23 and 990.46 is: 1,486.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376.10 : 3,565.23 = 990.46 : x
  2. Step 2: Convert to fraction form
    2,376.10/3,565.23 = 990.46/x
  3. Step 3: Cross multiply
    2,376.10x = 3,565.23 × 990.46
  4. Step 4: Simplify right side
    2,376.10x = 3,531,217.71
  5. Step 5: Solve for x
    x = 3,531,217.71/2,376.10
  6. Step 6: Final answer
    x = 1,486.14

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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.