Home / 3,877.29-5,787.80-3,588.18

Finding the Fourth Proportional to 3,877.29, 5,787.80 and 3,588.18

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Solution

The fourth proportional to 3,877.29, 5,787.80 and 3,588.18 is: 5,356.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877.29 : 5,787.80 = 3,588.18 : x
  2. Step 2: Convert to fraction form
    3,877.29/5,787.80 = 3,588.18/x
  3. Step 3: Cross multiply
    3,877.29x = 5,787.80 × 3,588.18
  4. Step 4: Simplify right side
    3,877.29x = 20,767,650.26
  5. Step 5: Solve for x
    x = 20,767,650.26/3,877.29
  6. Step 6: Final answer
    x = 5,356.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.