Home / 2,177.31-3,277.60-1,875.89

Finding the Fourth Proportional to 2,177.31, 3,277.60 and 1,875.89

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Solution

The fourth proportional to 2,177.31, 3,277.60 and 1,875.89 is: 2,823.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.31 : 3,277.60 = 1,875.89 : x
  2. Step 2: Convert to fraction form
    2,177.31/3,277.60 = 1,875.89/x
  3. Step 3: Cross multiply
    2,177.31x = 3,277.60 × 1,875.89
  4. Step 4: Simplify right side
    2,177.31x = 6,148,420.57
  5. Step 5: Solve for x
    x = 6,148,420.57/2,177.31
  6. Step 6: Final answer
    x = 2,823.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.