Home / 3,711.78-5,567.70-1,246.80

Finding the Fourth Proportional to 3,711.78, 5,567.70 and 1,246.80

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Solution

The fourth proportional to 3,711.78, 5,567.70 and 1,246.80 is: 1,870.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711.78 : 5,567.70 = 1,246.80 : x
  2. Step 2: Convert to fraction form
    3,711.78/5,567.70 = 1,246.80/x
  3. Step 3: Cross multiply
    3,711.78x = 5,567.70 × 1,246.80
  4. Step 4: Simplify right side
    3,711.78x = 6,941,808.36
  5. Step 5: Solve for x
    x = 6,941,808.36/3,711.78
  6. Step 6: Final answer
    x = 1,870.21

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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.