Home / 2,764.47-3,814.62-1,569.39

Finding the Fourth Proportional to 2,764.47, 3,814.62 and 1,569.39

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Solution

The fourth proportional to 2,764.47, 3,814.62 and 1,569.39 is: 2,165.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764.47 : 3,814.62 = 1,569.39 : x
  2. Step 2: Convert to fraction form
    2,764.47/3,814.62 = 1,569.39/x
  3. Step 3: Cross multiply
    2,764.47x = 3,814.62 × 1,569.39
  4. Step 4: Simplify right side
    2,764.47x = 5,986,626.48
  5. Step 5: Solve for x
    x = 5,986,626.48/2,764.47
  6. Step 6: Final answer
    x = 2,165.56

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1.5x scale

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.