Home / 1,569.99-2,352.75-1,155.88

Finding the Fourth Proportional to 1,569.99, 2,352.75 and 1,155.88

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Solution

The fourth proportional to 1,569.99, 2,352.75 and 1,155.88 is: 1,732.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569.99 : 2,352.75 = 1,155.88 : x
  2. Step 2: Convert to fraction form
    1,569.99/2,352.75 = 1,155.88/x
  3. Step 3: Cross multiply
    1,569.99x = 2,352.75 × 1,155.88
  4. Step 4: Simplify right side
    1,569.99x = 2,719,488.54
  5. Step 5: Solve for x
    x = 2,719,488.54/1,569.99
  6. Step 6: Final answer
    x = 1,732.17

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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.