Home / 3,750.60-5,621.40-1,558.20

Finding the Fourth Proportional to 3,750.60, 5,621.40 and 1,558.20

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Solution

The fourth proportional to 3,750.60, 5,621.40 and 1,558.20 is: 2,335.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.60 : 5,621.40 = 1,558.20 : x
  2. Step 2: Convert to fraction form
    3,750.60/5,621.40 = 1,558.20/x
  3. Step 3: Cross multiply
    3,750.60x = 5,621.40 × 1,558.20
  4. Step 4: Simplify right side
    3,750.60x = 8,759,265.48
  5. Step 5: Solve for x
    x = 8,759,265.48/3,750.60
  6. Step 6: Final answer
    x = 2,335.43

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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.