Home / 1,630.44-2,248.02-1,419.84

Finding the Fourth Proportional to 1,630.44, 2,248.02 and 1,419.84

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Solution

The fourth proportional to 1,630.44, 2,248.02 and 1,419.84 is: 1,957.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630.44 : 2,248.02 = 1,419.84 : x
  2. Step 2: Convert to fraction form
    1,630.44/2,248.02 = 1,419.84/x
  3. Step 3: Cross multiply
    1,630.44x = 2,248.02 × 1,419.84
  4. Step 4: Simplify right side
    1,630.44x = 3,191,828.72
  5. Step 5: Solve for x
    x = 3,191,828.72/1,630.44
  6. Step 6: Final answer
    x = 1,957.65

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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.