Home / 1,897.11-2,617.38-1,150.83

Finding the Fourth Proportional to 1,897.11, 2,617.38 and 1,150.83

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Solution

The fourth proportional to 1,897.11, 2,617.38 and 1,150.83 is: 1,587.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897.11 : 2,617.38 = 1,150.83 : x
  2. Step 2: Convert to fraction form
    1,897.11/2,617.38 = 1,150.83/x
  3. Step 3: Cross multiply
    1,897.11x = 2,617.38 × 1,150.83
  4. Step 4: Simplify right side
    1,897.11x = 3,012,159.43
  5. Step 5: Solve for x
    x = 3,012,159.43/1,897.11
  6. Step 6: Final answer
    x = 1,587.76

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1.5x scale

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.