Home / 3,541.60-5,312.42-1,811.44

Finding the Fourth Proportional to 3,541.60, 5,312.42 and 1,811.44

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Solution

The fourth proportional to 3,541.60, 5,312.42 and 1,811.44 is: 2,717.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,541.60 : 5,312.42 = 1,811.44 : x
  2. Step 2: Convert to fraction form
    3,541.60/5,312.42 = 1,811.44/x
  3. Step 3: Cross multiply
    3,541.60x = 5,312.42 × 1,811.44
  4. Step 4: Simplify right side
    3,541.60x = 9,623,130.08
  5. Step 5: Solve for x
    x = 9,623,130.08/3,541.60
  6. Step 6: Final answer
    x = 2,717.17

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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.