Home / 3,272.51-4,515.80-1,927.91

Finding the Fourth Proportional to 3,272.51, 4,515.80 and 1,927.91

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Solution

The fourth proportional to 3,272.51, 4,515.80 and 1,927.91 is: 2,660.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.51 : 4,515.80 = 1,927.91 : x
  2. Step 2: Convert to fraction form
    3,272.51/4,515.80 = 1,927.91/x
  3. Step 3: Cross multiply
    3,272.51x = 4,515.80 × 1,927.91
  4. Step 4: Simplify right side
    3,272.51x = 8,706,023.76
  5. Step 5: Solve for x
    x = 8,706,023.76/3,272.51
  6. Step 6: Final answer
    x = 2,660.35

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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.