Home / 1,935.18-2,671.26-1,149.90

Finding the Fourth Proportional to 1,935.18, 2,671.26 and 1,149.90

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Solution

The fourth proportional to 1,935.18, 2,671.26 and 1,149.90 is: 1,587.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.18 : 2,671.26 = 1,149.90 : x
  2. Step 2: Convert to fraction form
    1,935.18/2,671.26 = 1,149.90/x
  3. Step 3: Cross multiply
    1,935.18x = 2,671.26 × 1,149.90
  4. Step 4: Simplify right side
    1,935.18x = 3,071,681.87
  5. Step 5: Solve for x
    x = 3,071,681.87/1,935.18
  6. Step 6: Final answer
    x = 1,587.28

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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.