Home / 2,305.15-3,458.16-1,264.59

Finding the Fourth Proportional to 2,305.15, 3,458.16 and 1,264.59

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Solution

The fourth proportional to 2,305.15, 3,458.16 and 1,264.59 is: 1,897.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.15 : 3,458.16 = 1,264.59 : x
  2. Step 2: Convert to fraction form
    2,305.15/3,458.16 = 1,264.59/x
  3. Step 3: Cross multiply
    2,305.15x = 3,458.16 × 1,264.59
  4. Step 4: Simplify right side
    2,305.15x = 4,373,154.55
  5. Step 5: Solve for x
    x = 4,373,154.55/2,305.15
  6. Step 6: Final answer
    x = 1,897.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.