Home / 1,708.03-2,357.34-1,356.75

Finding the Fourth Proportional to 1,708.03, 2,357.34 and 1,356.75

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Solution

The fourth proportional to 1,708.03, 2,357.34 and 1,356.75 is: 1,872.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.03 : 2,357.34 = 1,356.75 : x
  2. Step 2: Convert to fraction form
    1,708.03/2,357.34 = 1,356.75/x
  3. Step 3: Cross multiply
    1,708.03x = 2,357.34 × 1,356.75
  4. Step 4: Simplify right side
    1,708.03x = 3,198,302.47
  5. Step 5: Solve for x
    x = 3,198,302.47/1,708.03
  6. Step 6: Final answer
    x = 1,872.51

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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.