Home / 3,180.04-4,388.40-1,744.40

Finding the Fourth Proportional to 3,180.04, 4,388.40 and 1,744.40

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Solution

The fourth proportional to 3,180.04, 4,388.40 and 1,744.40 is: 2,407.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.04 : 4,388.40 = 1,744.40 : x
  2. Step 2: Convert to fraction form
    3,180.04/4,388.40 = 1,744.40/x
  3. Step 3: Cross multiply
    3,180.04x = 4,388.40 × 1,744.40
  4. Step 4: Simplify right side
    3,180.04x = 7,655,124.96
  5. Step 5: Solve for x
    x = 7,655,124.96/3,180.04
  6. Step 6: Final answer
    x = 2,407.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.