Home / 3,272.18-4,515.53-1,780.07

Finding the Fourth Proportional to 3,272.18, 4,515.53 and 1,780.07

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Solution

The fourth proportional to 3,272.18, 4,515.53 and 1,780.07 is: 2,456.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.18 : 4,515.53 = 1,780.07 : x
  2. Step 2: Convert to fraction form
    3,272.18/4,515.53 = 1,780.07/x
  3. Step 3: Cross multiply
    3,272.18x = 4,515.53 × 1,780.07
  4. Step 4: Simplify right side
    3,272.18x = 8,037,956.49
  5. Step 5: Solve for x
    x = 8,037,956.49/3,272.18
  6. Step 6: Final answer
    x = 2,456.45

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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.