Home / 3,478.04-5,215.34-1,167.88

Finding the Fourth Proportional to 3,478.04, 5,215.34 and 1,167.88

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Solution

The fourth proportional to 3,478.04, 5,215.34 and 1,167.88 is: 1,751.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478.04 : 5,215.34 = 1,167.88 : x
  2. Step 2: Convert to fraction form
    3,478.04/5,215.34 = 1,167.88/x
  3. Step 3: Cross multiply
    3,478.04x = 5,215.34 × 1,167.88
  4. Step 4: Simplify right side
    3,478.04x = 6,090,891.28
  5. Step 5: Solve for x
    x = 6,090,891.28/3,478.04
  6. Step 6: Final answer
    x = 1,751.24

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1.5x scale

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.