Home / 2,924.39-4,378.65-1,947.35

Finding the Fourth Proportional to 2,924.39, 4,378.65 and 1,947.35

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Solution

The fourth proportional to 2,924.39, 4,378.65 and 1,947.35 is: 2,915.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,924.39 : 4,378.65 = 1,947.35 : x
  2. Step 2: Convert to fraction form
    2,924.39/4,378.65 = 1,947.35/x
  3. Step 3: Cross multiply
    2,924.39x = 4,378.65 × 1,947.35
  4. Step 4: Simplify right side
    2,924.39x = 8,526,742.18
  5. Step 5: Solve for x
    x = 8,526,742.18/2,924.39
  6. Step 6: Final answer
    x = 2,915.74

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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.