Home / 2,557.50-3,531.10-1,958.93

Finding the Fourth Proportional to 2,557.50, 3,531.10 and 1,958.93

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Solution

The fourth proportional to 2,557.50, 3,531.10 and 1,958.93 is: 2,704.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557.50 : 3,531.10 = 1,958.93 : x
  2. Step 2: Convert to fraction form
    2,557.50/3,531.10 = 1,958.93/x
  3. Step 3: Cross multiply
    2,557.50x = 3,531.10 × 1,958.93
  4. Step 4: Simplify right side
    2,557.50x = 6,917,177.72
  5. Step 5: Solve for x
    x = 6,917,177.72/2,557.50
  6. Step 6: Final answer
    x = 2,704.66

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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.