Home / 2,057.84-2,839.76-1,126.32

Finding the Fourth Proportional to 2,057.84, 2,839.76 and 1,126.32

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Solution

The fourth proportional to 2,057.84, 2,839.76 and 1,126.32 is: 1,554.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057.84 : 2,839.76 = 1,126.32 : x
  2. Step 2: Convert to fraction form
    2,057.84/2,839.76 = 1,126.32/x
  3. Step 3: Cross multiply
    2,057.84x = 2,839.76 × 1,126.32
  4. Step 4: Simplify right side
    2,057.84x = 3,198,478.48
  5. Step 5: Solve for x
    x = 3,198,478.48/2,057.84
  6. Step 6: Final answer
    x = 1,554.29

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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.