Home / 3,437.01-5,155.86-1,245.24

Finding the Fourth Proportional to 3,437.01, 5,155.86 and 1,245.24

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Solution

The fourth proportional to 3,437.01, 5,155.86 and 1,245.24 is: 1,867.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.01 : 5,155.86 = 1,245.24 : x
  2. Step 2: Convert to fraction form
    3,437.01/5,155.86 = 1,245.24/x
  3. Step 3: Cross multiply
    3,437.01x = 5,155.86 × 1,245.24
  4. Step 4: Simplify right side
    3,437.01x = 6,420,283.11
  5. Step 5: Solve for x
    x = 6,420,283.11/3,437.01
  6. Step 6: Final answer
    x = 1,867.98

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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.