Home / 1,569.24-2,151.54-1,541.70

Finding the Fourth Proportional to 1,569.24, 2,151.54 and 1,541.70

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Solution

The fourth proportional to 1,569.24, 2,151.54 and 1,541.70 is: 2,113.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569.24 : 2,151.54 = 1,541.70 : x
  2. Step 2: Convert to fraction form
    1,569.24/2,151.54 = 1,541.70/x
  3. Step 3: Cross multiply
    1,569.24x = 2,151.54 × 1,541.70
  4. Step 4: Simplify right side
    1,569.24x = 3,317,029.22
  5. Step 5: Solve for x
    x = 3,317,029.22/1,569.24
  6. Step 6: Final answer
    x = 2,113.78

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.