Home / 1,634.40-2,437.56-1,478.88

Finding the Fourth Proportional to 1,634.40, 2,437.56 and 1,478.88

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Solution

The fourth proportional to 1,634.40, 2,437.56 and 1,478.88 is: 2,205.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634.40 : 2,437.56 = 1,478.88 : x
  2. Step 2: Convert to fraction form
    1,634.40/2,437.56 = 1,478.88/x
  3. Step 3: Cross multiply
    1,634.40x = 2,437.56 × 1,478.88
  4. Step 4: Simplify right side
    1,634.40x = 3,604,858.73
  5. Step 5: Solve for x
    x = 3,604,858.73/1,634.40
  6. Step 6: Final answer
    x = 2,205.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.