Home / 3,612.28-5,408.64-1,877.26

Finding the Fourth Proportional to 3,612.28, 5,408.64 and 1,877.26

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Solution

The fourth proportional to 3,612.28, 5,408.64 and 1,877.26 is: 2,810.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.28 : 5,408.64 = 1,877.26 : x
  2. Step 2: Convert to fraction form
    3,612.28/5,408.64 = 1,877.26/x
  3. Step 3: Cross multiply
    3,612.28x = 5,408.64 × 1,877.26
  4. Step 4: Simplify right side
    3,612.28x = 10,153,423.53
  5. Step 5: Solve for x
    x = 10,153,423.53/3,612.28
  6. Step 6: Final answer
    x = 2,810.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.