Home / 2,574.97-3,862.45-1,479.65

Finding the Fourth Proportional to 2,574.97, 3,862.45 and 1,479.65

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Solution

The fourth proportional to 2,574.97, 3,862.45 and 1,479.65 is: 2,219.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,574.97 : 3,862.45 = 1,479.65 : x
  2. Step 2: Convert to fraction form
    2,574.97/3,862.45 = 1,479.65/x
  3. Step 3: Cross multiply
    2,574.97x = 3,862.45 × 1,479.65
  4. Step 4: Simplify right side
    2,574.97x = 5,715,051.13
  5. Step 5: Solve for x
    x = 5,715,051.13/2,574.97
  6. Step 6: Final answer
    x = 2,219.47

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1.5x scale

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.