Home / 1,738.32-2,398.92-1,039.44

Finding the Fourth Proportional to 1,738.32, 2,398.92 and 1,039.44

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Solution

The fourth proportional to 1,738.32, 2,398.92 and 1,039.44 is: 1,434.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738.32 : 2,398.92 = 1,039.44 : x
  2. Step 2: Convert to fraction form
    1,738.32/2,398.92 = 1,039.44/x
  3. Step 3: Cross multiply
    1,738.32x = 2,398.92 × 1,039.44
  4. Step 4: Simplify right side
    1,738.32x = 2,493,533.40
  5. Step 5: Solve for x
    x = 2,493,533.40/1,738.32
  6. Step 6: Final answer
    x = 1,434.45

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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.