Home / 3,640.28-5,461.48-1,175.04

Finding the Fourth Proportional to 3,640.28, 5,461.48 and 1,175.04

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Solution

The fourth proportional to 3,640.28, 5,461.48 and 1,175.04 is: 1,762.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.28 : 5,461.48 = 1,175.04 : x
  2. Step 2: Convert to fraction form
    3,640.28/5,461.48 = 1,175.04/x
  3. Step 3: Cross multiply
    3,640.28x = 5,461.48 × 1,175.04
  4. Step 4: Simplify right side
    3,640.28x = 6,417,457.46
  5. Step 5: Solve for x
    x = 6,417,457.46/3,640.28
  6. Step 6: Final answer
    x = 1,762.90

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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.