Home / 2,567.18-3,851.04-835.40

Finding the Fourth Proportional to 2,567.18, 3,851.04 and 835.40

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Solution

The fourth proportional to 2,567.18, 3,851.04 and 835.40 is: 1,253.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,567.18 : 3,851.04 = 835.40 : x
  2. Step 2: Convert to fraction form
    2,567.18/3,851.04 = 835.40/x
  3. Step 3: Cross multiply
    2,567.18x = 3,851.04 × 835.40
  4. Step 4: Simplify right side
    2,567.18x = 3,217,139.56
  5. Step 5: Solve for x
    x = 3,217,139.56/2,567.18
  6. Step 6: Final answer
    x = 1,253.18

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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.