Home / 3,492.81-5,238.16-1,152.39

Finding the Fourth Proportional to 3,492.81, 5,238.16 and 1,152.39

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Solution

The fourth proportional to 3,492.81, 5,238.16 and 1,152.39 is: 1,728.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,492.81 : 5,238.16 = 1,152.39 : x
  2. Step 2: Convert to fraction form
    3,492.81/5,238.16 = 1,152.39/x
  3. Step 3: Cross multiply
    3,492.81x = 5,238.16 × 1,152.39
  4. Step 4: Simplify right side
    3,492.81x = 6,036,403.20
  5. Step 5: Solve for x
    x = 6,036,403.20/3,492.81
  6. Step 6: Final answer
    x = 1,728.24

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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.