Home / 2,179.95-3,265.35-1,715.54

Finding the Fourth Proportional to 2,179.95, 3,265.35 and 1,715.54

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Solution

The fourth proportional to 2,179.95, 3,265.35 and 1,715.54 is: 2,569.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.95 : 3,265.35 = 1,715.54 : x
  2. Step 2: Convert to fraction form
    2,179.95/3,265.35 = 1,715.54/x
  3. Step 3: Cross multiply
    2,179.95x = 3,265.35 × 1,715.54
  4. Step 4: Simplify right side
    2,179.95x = 5,601,822.21
  5. Step 5: Solve for x
    x = 5,601,822.21/2,179.95
  6. Step 6: Final answer
    x = 2,569.70

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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.