Home / 1,573.80-2,171.22-944.35

Finding the Fourth Proportional to 1,573.80, 2,171.22 and 944.35

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Solution

The fourth proportional to 1,573.80, 2,171.22 and 944.35 is: 1,302.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.80 : 2,171.22 = 944.35 : x
  2. Step 2: Convert to fraction form
    1,573.80/2,171.22 = 944.35/x
  3. Step 3: Cross multiply
    1,573.80x = 2,171.22 × 944.35
  4. Step 4: Simplify right side
    1,573.80x = 2,050,391.61
  5. Step 5: Solve for x
    x = 2,050,391.61/1,573.80
  6. Step 6: Final answer
    x = 1,302.83

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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.