Home / 1,738.06-2,398.08-1,029.70

Finding the Fourth Proportional to 1,738.06, 2,398.08 and 1,029.70

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Solution

The fourth proportional to 1,738.06, 2,398.08 and 1,029.70 is: 1,420.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738.06 : 2,398.08 = 1,029.70 : x
  2. Step 2: Convert to fraction form
    1,738.06/2,398.08 = 1,029.70/x
  3. Step 3: Cross multiply
    1,738.06x = 2,398.08 × 1,029.70
  4. Step 4: Simplify right side
    1,738.06x = 2,469,302.98
  5. Step 5: Solve for x
    x = 2,469,302.98/1,738.06
  6. Step 6: Final answer
    x = 1,420.72

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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.