Home / 2,869.56-3,955.50-1,874.34

Finding the Fourth Proportional to 2,869.56, 3,955.50 and 1,874.34

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Solution

The fourth proportional to 2,869.56, 3,955.50 and 1,874.34 is: 2,583.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.56 : 3,955.50 = 1,874.34 : x
  2. Step 2: Convert to fraction form
    2,869.56/3,955.50 = 1,874.34/x
  3. Step 3: Cross multiply
    2,869.56x = 3,955.50 × 1,874.34
  4. Step 4: Simplify right side
    2,869.56x = 7,413,951.87
  5. Step 5: Solve for x
    x = 7,413,951.87/2,869.56
  6. Step 6: Final answer
    x = 2,583.65

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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.