Home / 1,750.36-2,414.12-1,278.16

Finding the Fourth Proportional to 1,750.36, 2,414.12 and 1,278.16

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Solution

The fourth proportional to 1,750.36, 2,414.12 and 1,278.16 is: 1,762.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750.36 : 2,414.12 = 1,278.16 : x
  2. Step 2: Convert to fraction form
    1,750.36/2,414.12 = 1,278.16/x
  3. Step 3: Cross multiply
    1,750.36x = 2,414.12 × 1,278.16
  4. Step 4: Simplify right side
    1,750.36x = 3,085,631.62
  5. Step 5: Solve for x
    x = 3,085,631.62/1,750.36
  6. Step 6: Final answer
    x = 1,762.86

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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.