Home / 3,617.40-5,426.26-1,152.40

Finding the Fourth Proportional to 3,617.40, 5,426.26 and 1,152.40

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Solution

The fourth proportional to 3,617.40, 5,426.26 and 1,152.40 is: 1,728.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.40 : 5,426.26 = 1,152.40 : x
  2. Step 2: Convert to fraction form
    3,617.40/5,426.26 = 1,152.40/x
  3. Step 3: Cross multiply
    3,617.40x = 5,426.26 × 1,152.40
  4. Step 4: Simplify right side
    3,617.40x = 6,253,222.02
  5. Step 5: Solve for x
    x = 6,253,222.02/3,617.40
  6. Step 6: Final answer
    x = 1,728.65

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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.