Home / 2,557.47-3,529.80-1,495.36

Finding the Fourth Proportional to 2,557.47, 3,529.80 and 1,495.36

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Solution

The fourth proportional to 2,557.47, 3,529.80 and 1,495.36 is: 2,063.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557.47 : 3,529.80 = 1,495.36 : x
  2. Step 2: Convert to fraction form
    2,557.47/3,529.80 = 1,495.36/x
  3. Step 3: Cross multiply
    2,557.47x = 3,529.80 × 1,495.36
  4. Step 4: Simplify right side
    2,557.47x = 5,278,321.73
  5. Step 5: Solve for x
    x = 5,278,321.73/2,557.47
  6. Step 6: Final answer
    x = 2,063.88

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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.