Home / 3,867.12-5,801.28-1,558.56

Finding the Fourth Proportional to 3,867.12, 5,801.28 and 1,558.56

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Solution

The fourth proportional to 3,867.12, 5,801.28 and 1,558.56 is: 2,338.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.12 : 5,801.28 = 1,558.56 : x
  2. Step 2: Convert to fraction form
    3,867.12/5,801.28 = 1,558.56/x
  3. Step 3: Cross multiply
    3,867.12x = 5,801.28 × 1,558.56
  4. Step 4: Simplify right side
    3,867.12x = 9,041,642.96
  5. Step 5: Solve for x
    x = 9,041,642.96/3,867.12
  6. Step 6: Final answer
    x = 2,338.08

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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.