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Finding the Fourth Proportional to 1,738.36, 2,398.90 and 952.40

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Solution

The fourth proportional to 1,738.36, 2,398.90 and 952.40 is: 1,314.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738.36 : 2,398.90 = 952.40 : x
  2. Step 2: Convert to fraction form
    1,738.36/2,398.90 = 952.40/x
  3. Step 3: Cross multiply
    1,738.36x = 2,398.90 × 952.40
  4. Step 4: Simplify right side
    1,738.36x = 2,284,712.36
  5. Step 5: Solve for x
    x = 2,284,712.36/1,738.36
  6. Step 6: Final answer
    x = 1,314.29

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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.