Home / 1,567.03-2,351.31-1,107.76

Finding the Fourth Proportional to 1,567.03, 2,351.31 and 1,107.76

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Solution

The fourth proportional to 1,567.03, 2,351.31 and 1,107.76 is: 1,662.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567.03 : 2,351.31 = 1,107.76 : x
  2. Step 2: Convert to fraction form
    1,567.03/2,351.31 = 1,107.76/x
  3. Step 3: Cross multiply
    1,567.03x = 2,351.31 × 1,107.76
  4. Step 4: Simplify right side
    1,567.03x = 2,604,678.52
  5. Step 5: Solve for x
    x = 2,604,678.52/1,567.03
  6. Step 6: Final answer
    x = 1,662.18

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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.