Home / 2,250.19-3,374.34-788.55

Finding the Fourth Proportional to 2,250.19, 3,374.34 and 788.55

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Solution

The fourth proportional to 2,250.19, 3,374.34 and 788.55 is: 1,182.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250.19 : 3,374.34 = 788.55 : x
  2. Step 2: Convert to fraction form
    2,250.19/3,374.34 = 788.55/x
  3. Step 3: Cross multiply
    2,250.19x = 3,374.34 × 788.55
  4. Step 4: Simplify right side
    2,250.19x = 2,660,835.81
  5. Step 5: Solve for x
    x = 2,660,835.81/2,250.19
  6. Step 6: Final answer
    x = 1,182.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.