Home / 3,240.04-4,859.34-1,291.72

Finding the Fourth Proportional to 3,240.04, 4,859.34 and 1,291.72

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Solution

The fourth proportional to 3,240.04, 4,859.34 and 1,291.72 is: 1,937.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.04 : 4,859.34 = 1,291.72 : x
  2. Step 2: Convert to fraction form
    3,240.04/4,859.34 = 1,291.72/x
  3. Step 3: Cross multiply
    3,240.04x = 4,859.34 × 1,291.72
  4. Step 4: Simplify right side
    3,240.04x = 6,276,906.66
  5. Step 5: Solve for x
    x = 6,276,906.66/3,240.04
  6. Step 6: Final answer
    x = 1,937.29

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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.