Home / 2,288.77-3,158.44-1,294.01

Finding the Fourth Proportional to 2,288.77, 3,158.44 and 1,294.01

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Solution

The fourth proportional to 2,288.77, 3,158.44 and 1,294.01 is: 1,785.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.77 : 3,158.44 = 1,294.01 : x
  2. Step 2: Convert to fraction form
    2,288.77/3,158.44 = 1,294.01/x
  3. Step 3: Cross multiply
    2,288.77x = 3,158.44 × 1,294.01
  4. Step 4: Simplify right side
    2,288.77x = 4,087,053.04
  5. Step 5: Solve for x
    x = 4,087,053.04/2,288.77
  6. Step 6: Final answer
    x = 1,785.70

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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.