Home / 1,749.88-2,407.62-1,706.68

Finding the Fourth Proportional to 1,749.88, 2,407.62 and 1,706.68

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Solution

The fourth proportional to 1,749.88, 2,407.62 and 1,706.68 is: 2,348.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.88 : 2,407.62 = 1,706.68 : x
  2. Step 2: Convert to fraction form
    1,749.88/2,407.62 = 1,706.68/x
  3. Step 3: Cross multiply
    1,749.88x = 2,407.62 × 1,706.68
  4. Step 4: Simplify right side
    1,749.88x = 4,109,036.90
  5. Step 5: Solve for x
    x = 4,109,036.90/1,749.88
  6. Step 6: Final answer
    x = 2,348.18

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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.