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Finding the Fourth Proportional to 2,508.95, 3,763.37 and 660.18

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Solution

The fourth proportional to 2,508.95, 3,763.37 and 660.18 is: 990.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,508.95 : 3,763.37 = 660.18 : x
  2. Step 2: Convert to fraction form
    2,508.95/3,763.37 = 660.18/x
  3. Step 3: Cross multiply
    2,508.95x = 3,763.37 × 660.18
  4. Step 4: Simplify right side
    2,508.95x = 2,484,498.31
  5. Step 5: Solve for x
    x = 2,484,498.31/2,508.95
  6. Step 6: Final answer
    x = 990.26

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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.