Home / 1,569.45-2,351.48-1,294.05

Finding the Fourth Proportional to 1,569.45, 2,351.48 and 1,294.05

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Solution

The fourth proportional to 1,569.45, 2,351.48 and 1,294.05 is: 1,938.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569.45 : 2,351.48 = 1,294.05 : x
  2. Step 2: Convert to fraction form
    1,569.45/2,351.48 = 1,294.05/x
  3. Step 3: Cross multiply
    1,569.45x = 2,351.48 × 1,294.05
  4. Step 4: Simplify right side
    1,569.45x = 3,042,926.22
  5. Step 5: Solve for x
    x = 3,042,926.22/1,569.45
  6. Step 6: Final answer
    x = 1,938.85

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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.