Home / 3,711.54-5,567.82-1,247.06

Finding the Fourth Proportional to 3,711.54, 5,567.82 and 1,247.06

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Solution

The fourth proportional to 3,711.54, 5,567.82 and 1,247.06 is: 1,870.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711.54 : 5,567.82 = 1,247.06 : x
  2. Step 2: Convert to fraction form
    3,711.54/5,567.82 = 1,247.06/x
  3. Step 3: Cross multiply
    3,711.54x = 5,567.82 × 1,247.06
  4. Step 4: Simplify right side
    3,711.54x = 6,943,409.45
  5. Step 5: Solve for x
    x = 6,943,409.45/3,711.54
  6. Step 6: Final answer
    x = 1,870.76

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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.