Home / 2,486.17-3,430.86-1,367.04

Finding the Fourth Proportional to 2,486.17, 3,430.86 and 1,367.04

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Solution

The fourth proportional to 2,486.17, 3,430.86 and 1,367.04 is: 1,886.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486.17 : 3,430.86 = 1,367.04 : x
  2. Step 2: Convert to fraction form
    2,486.17/3,430.86 = 1,367.04/x
  3. Step 3: Cross multiply
    2,486.17x = 3,430.86 × 1,367.04
  4. Step 4: Simplify right side
    2,486.17x = 4,690,122.85
  5. Step 5: Solve for x
    x = 4,690,122.85/2,486.17
  6. Step 6: Final answer
    x = 1,886.49

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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.