Home / 3,492.08-4,818.92-1,920.17

Finding the Fourth Proportional to 3,492.08, 4,818.92 and 1,920.17

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Solution

The fourth proportional to 3,492.08, 4,818.92 and 1,920.17 is: 2,649.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,492.08 : 4,818.92 = 1,920.17 : x
  2. Step 2: Convert to fraction form
    3,492.08/4,818.92 = 1,920.17/x
  3. Step 3: Cross multiply
    3,492.08x = 4,818.92 × 1,920.17
  4. Step 4: Simplify right side
    3,492.08x = 9,253,111.92
  5. Step 5: Solve for x
    x = 9,253,111.92/3,492.08
  6. Step 6: Final answer
    x = 2,649.75

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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.