Home / 1,569.48-2,162.40-1,149.12

Finding the Fourth Proportional to 1,569.48, 2,162.40 and 1,149.12

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Solution

The fourth proportional to 1,569.48, 2,162.40 and 1,149.12 is: 1,583.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569.48 : 2,162.40 = 1,149.12 : x
  2. Step 2: Convert to fraction form
    1,569.48/2,162.40 = 1,149.12/x
  3. Step 3: Cross multiply
    1,569.48x = 2,162.40 × 1,149.12
  4. Step 4: Simplify right side
    1,569.48x = 2,484,857.09
  5. Step 5: Solve for x
    x = 2,484,857.09/1,569.48
  6. Step 6: Final answer
    x = 1,583.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.