Home / 2,492.43-3,439.71-1,651.65

Finding the Fourth Proportional to 2,492.43, 3,439.71 and 1,651.65

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Solution

The fourth proportional to 2,492.43, 3,439.71 and 1,651.65 is: 2,279.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492.43 : 3,439.71 = 1,651.65 : x
  2. Step 2: Convert to fraction form
    2,492.43/3,439.71 = 1,651.65/x
  3. Step 3: Cross multiply
    2,492.43x = 3,439.71 × 1,651.65
  4. Step 4: Simplify right side
    2,492.43x = 5,681,197.02
  5. Step 5: Solve for x
    x = 5,681,197.02/2,492.43
  6. Step 6: Final answer
    x = 2,279.38

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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.