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Finding the Fourth Proportional to 1,653.95, 2,449.98 and 1,635.52

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Solution

The fourth proportional to 1,653.95, 2,449.98 and 1,635.52 is: 2,422.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653.95 : 2,449.98 = 1,635.52 : x
  2. Step 2: Convert to fraction form
    1,653.95/2,449.98 = 1,635.52/x
  3. Step 3: Cross multiply
    1,653.95x = 2,449.98 × 1,635.52
  4. Step 4: Simplify right side
    1,653.95x = 4,006,991.29
  5. Step 5: Solve for x
    x = 4,006,991.29/1,653.95
  6. Step 6: Final answer
    x = 2,422.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.