Home / 2,492.20-3,440.46-1,934.32

Finding the Fourth Proportional to 2,492.20, 3,440.46 and 1,934.32

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Solution

The fourth proportional to 2,492.20, 3,440.46 and 1,934.32 is: 2,670.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492.20 : 3,440.46 = 1,934.32 : x
  2. Step 2: Convert to fraction form
    2,492.20/3,440.46 = 1,934.32/x
  3. Step 3: Cross multiply
    2,492.20x = 3,440.46 × 1,934.32
  4. Step 4: Simplify right side
    2,492.20x = 6,654,950.59
  5. Step 5: Solve for x
    x = 6,654,950.59/2,492.20
  6. Step 6: Final answer
    x = 2,670.31

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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.