Home / 3,492.28-4,818.12-2,165.50

Finding the Fourth Proportional to 3,492.28, 4,818.12 and 2,165.50

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Solution

The fourth proportional to 3,492.28, 4,818.12 and 2,165.50 is: 2,987.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,492.28 : 4,818.12 = 2,165.50 : x
  2. Step 2: Convert to fraction form
    3,492.28/4,818.12 = 2,165.50/x
  3. Step 3: Cross multiply
    3,492.28x = 4,818.12 × 2,165.50
  4. Step 4: Simplify right side
    3,492.28x = 10,433,638.86
  5. Step 5: Solve for x
    x = 10,433,638.86/3,492.28
  6. Step 6: Final answer
    x = 2,987.63

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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.