Home / 1,756.38-2,424.60-1,127.82

Finding the Fourth Proportional to 1,756.38, 2,424.60 and 1,127.82

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Solution

The fourth proportional to 1,756.38, 2,424.60 and 1,127.82 is: 1,556.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756.38 : 2,424.60 = 1,127.82 : x
  2. Step 2: Convert to fraction form
    1,756.38/2,424.60 = 1,127.82/x
  3. Step 3: Cross multiply
    1,756.38x = 2,424.60 × 1,127.82
  4. Step 4: Simplify right side
    1,756.38x = 2,734,512.37
  5. Step 5: Solve for x
    x = 2,734,512.37/1,756.38
  6. Step 6: Final answer
    x = 1,556.90

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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.