Home / 2,178.57-3,265.08-944.53

Finding the Fourth Proportional to 2,178.57, 3,265.08 and 944.53

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Solution

The fourth proportional to 2,178.57, 3,265.08 and 944.53 is: 1,415.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178.57 : 3,265.08 = 944.53 : x
  2. Step 2: Convert to fraction form
    2,178.57/3,265.08 = 944.53/x
  3. Step 3: Cross multiply
    2,178.57x = 3,265.08 × 944.53
  4. Step 4: Simplify right side
    2,178.57x = 3,083,966.01
  5. Step 5: Solve for x
    x = 3,083,966.01/2,178.57
  6. Step 6: Final answer
    x = 1,415.60

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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.