Home / 1,753.75-2,415.29-1,456.28

Finding the Fourth Proportional to 1,753.75, 2,415.29 and 1,456.28

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Solution

The fourth proportional to 1,753.75, 2,415.29 and 1,456.28 is: 2,005.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753.75 : 2,415.29 = 1,456.28 : x
  2. Step 2: Convert to fraction form
    1,753.75/2,415.29 = 1,456.28/x
  3. Step 3: Cross multiply
    1,753.75x = 2,415.29 × 1,456.28
  4. Step 4: Simplify right side
    1,753.75x = 3,517,331.24
  5. Step 5: Solve for x
    x = 3,517,331.24/1,753.75
  6. Step 6: Final answer
    x = 2,005.61

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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.