Home / 3,475.04-5,209.20-1,738.40

Finding the Fourth Proportional to 3,475.04, 5,209.20 and 1,738.40

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Solution

The fourth proportional to 3,475.04, 5,209.20 and 1,738.40 is: 2,605.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,475.04 : 5,209.20 = 1,738.40 : x
  2. Step 2: Convert to fraction form
    3,475.04/5,209.20 = 1,738.40/x
  3. Step 3: Cross multiply
    3,475.04x = 5,209.20 × 1,738.40
  4. Step 4: Simplify right side
    3,475.04x = 9,055,673.28
  5. Step 5: Solve for x
    x = 9,055,673.28/3,475.04
  6. Step 6: Final answer
    x = 2,605.92

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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.