Home / 2,235.66-3,084.14-1,572.87

Finding the Fourth Proportional to 2,235.66, 3,084.14 and 1,572.87

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Solution

The fourth proportional to 2,235.66, 3,084.14 and 1,572.87 is: 2,169.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235.66 : 3,084.14 = 1,572.87 : x
  2. Step 2: Convert to fraction form
    2,235.66/3,084.14 = 1,572.87/x
  3. Step 3: Cross multiply
    2,235.66x = 3,084.14 × 1,572.87
  4. Step 4: Simplify right side
    2,235.66x = 4,850,966.78
  5. Step 5: Solve for x
    x = 4,850,966.78/2,235.66
  6. Step 6: Final answer
    x = 2,169.82

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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.