Home / 1,458.29-2,176.79-1,264.65

Finding the Fourth Proportional to 1,458.29, 2,176.79 and 1,264.65

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Solution

The fourth proportional to 1,458.29, 2,176.79 and 1,264.65 is: 1,887.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458.29 : 2,176.79 = 1,264.65 : x
  2. Step 2: Convert to fraction form
    1,458.29/2,176.79 = 1,264.65/x
  3. Step 3: Cross multiply
    1,458.29x = 2,176.79 × 1,264.65
  4. Step 4: Simplify right side
    1,458.29x = 2,752,871.15
  5. Step 5: Solve for x
    x = 2,752,871.15/1,458.29
  6. Step 6: Final answer
    x = 1,887.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.