Home / 1,631.58-2,248.47-1,165.02

Finding the Fourth Proportional to 1,631.58, 2,248.47 and 1,165.02

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Solution

The fourth proportional to 1,631.58, 2,248.47 and 1,165.02 is: 1,605.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.58 : 2,248.47 = 1,165.02 : x
  2. Step 2: Convert to fraction form
    1,631.58/2,248.47 = 1,165.02/x
  3. Step 3: Cross multiply
    1,631.58x = 2,248.47 × 1,165.02
  4. Step 4: Simplify right side
    1,631.58x = 2,619,512.52
  5. Step 5: Solve for x
    x = 2,619,512.52/1,631.58
  6. Step 6: Final answer
    x = 1,605.51

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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.