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Finding the Fourth Proportional to 2,470.20, 3,708.20 and 1,950.55

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Solution

The fourth proportional to 2,470.20, 3,708.20 and 1,950.55 is: 2,928.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,470.20 : 3,708.20 = 1,950.55 : x
  2. Step 2: Convert to fraction form
    2,470.20/3,708.20 = 1,950.55/x
  3. Step 3: Cross multiply
    2,470.20x = 3,708.20 × 1,950.55
  4. Step 4: Simplify right side
    2,470.20x = 7,233,019.76
  5. Step 5: Solve for x
    x = 7,233,019.76/2,470.20
  6. Step 6: Final answer
    x = 2,928.11

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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.