Home / 3,492.06-5,235.12-1,543.20

Finding the Fourth Proportional to 3,492.06, 5,235.12 and 1,543.20

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Solution

The fourth proportional to 3,492.06, 5,235.12 and 1,543.20 is: 2,313.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,492.06 : 5,235.12 = 1,543.20 : x
  2. Step 2: Convert to fraction form
    3,492.06/5,235.12 = 1,543.20/x
  3. Step 3: Cross multiply
    3,492.06x = 5,235.12 × 1,543.20
  4. Step 4: Simplify right side
    3,492.06x = 8,078,837.18
  5. Step 5: Solve for x
    x = 8,078,837.18/3,492.06
  6. Step 6: Final answer
    x = 2,313.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.