Home / 2,845.35-3,925.92-1,726.07

Finding the Fourth Proportional to 2,845.35, 3,925.92 and 1,726.07

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Solution

The fourth proportional to 2,845.35, 3,925.92 and 1,726.07 is: 2,381.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.35 : 3,925.92 = 1,726.07 : x
  2. Step 2: Convert to fraction form
    2,845.35/3,925.92 = 1,726.07/x
  3. Step 3: Cross multiply
    2,845.35x = 3,925.92 × 1,726.07
  4. Step 4: Simplify right side
    2,845.35x = 6,776,393.10
  5. Step 5: Solve for x
    x = 6,776,393.10/2,845.35
  6. Step 6: Final answer
    x = 2,381.57

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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.