Home / 3,302.55-4,555.53-2,121.57

Finding the Fourth Proportional to 3,302.55, 4,555.53 and 2,121.57

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Solution

The fourth proportional to 3,302.55, 4,555.53 and 2,121.57 is: 2,926.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,302.55 : 4,555.53 = 2,121.57 : x
  2. Step 2: Convert to fraction form
    3,302.55/4,555.53 = 2,121.57/x
  3. Step 3: Cross multiply
    3,302.55x = 4,555.53 × 2,121.57
  4. Step 4: Simplify right side
    3,302.55x = 9,664,875.78
  5. Step 5: Solve for x
    x = 9,664,875.78/3,302.55
  6. Step 6: Final answer
    x = 2,926.49

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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.