Home / 3,242.70-4,859.46-1,292.76

Finding the Fourth Proportional to 3,242.70, 4,859.46 and 1,292.76

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Solution

The fourth proportional to 3,242.70, 4,859.46 and 1,292.76 is: 1,937.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,242.70 : 4,859.46 = 1,292.76 : x
  2. Step 2: Convert to fraction form
    3,242.70/4,859.46 = 1,292.76/x
  3. Step 3: Cross multiply
    3,242.70x = 4,859.46 × 1,292.76
  4. Step 4: Simplify right side
    3,242.70x = 6,282,115.51
  5. Step 5: Solve for x
    x = 6,282,115.51/3,242.70
  6. Step 6: Final answer
    x = 1,937.31

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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.