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Finding the Fourth Proportional to 3,660.64, 5,050.88 and 2,088.64

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Solution

The fourth proportional to 3,660.64, 5,050.88 and 2,088.64 is: 2,881.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.64 : 5,050.88 = 2,088.64 : x
  2. Step 2: Convert to fraction form
    3,660.64/5,050.88 = 2,088.64/x
  3. Step 3: Cross multiply
    3,660.64x = 5,050.88 × 2,088.64
  4. Step 4: Simplify right side
    3,660.64x = 10,549,470.00
  5. Step 5: Solve for x
    x = 10,549,470.00/3,660.64
  6. Step 6: Final answer
    x = 2,881.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.