Home / 3,259.85-4,498.54-1,767.76

Finding the Fourth Proportional to 3,259.85, 4,498.54 and 1,767.76

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Solution

The fourth proportional to 3,259.85, 4,498.54 and 1,767.76 is: 2,439.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,259.85 : 4,498.54 = 1,767.76 : x
  2. Step 2: Convert to fraction form
    3,259.85/4,498.54 = 1,767.76/x
  3. Step 3: Cross multiply
    3,259.85x = 4,498.54 × 1,767.76
  4. Step 4: Simplify right side
    3,259.85x = 7,952,323.40
  5. Step 5: Solve for x
    x = 7,952,323.40/3,259.85
  6. Step 6: Final answer
    x = 2,439.48

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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.