Home / 1,569.11-2,166.83-1,010.56

Finding the Fourth Proportional to 1,569.11, 2,166.83 and 1,010.56

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Solution

The fourth proportional to 1,569.11, 2,166.83 and 1,010.56 is: 1,395.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569.11 : 2,166.83 = 1,010.56 : x
  2. Step 2: Convert to fraction form
    1,569.11/2,166.83 = 1,010.56/x
  3. Step 3: Cross multiply
    1,569.11x = 2,166.83 × 1,010.56
  4. Step 4: Simplify right side
    1,569.11x = 2,189,708.83
  5. Step 5: Solve for x
    x = 2,189,708.83/1,569.11
  6. Step 6: Final answer
    x = 1,395.51

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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.