Home / 1,630.32-2,444.40-1,052.88

Finding the Fourth Proportional to 1,630.32, 2,444.40 and 1,052.88

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Solution

The fourth proportional to 1,630.32, 2,444.40 and 1,052.88 is: 1,578.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630.32 : 2,444.40 = 1,052.88 : x
  2. Step 2: Convert to fraction form
    1,630.32/2,444.40 = 1,052.88/x
  3. Step 3: Cross multiply
    1,630.32x = 2,444.40 × 1,052.88
  4. Step 4: Simplify right side
    1,630.32x = 2,573,659.87
  5. Step 5: Solve for x
    x = 2,573,659.87/1,630.32
  6. Step 6: Final answer
    x = 1,578.62

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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.