Home / 2,924.60-4,386.93-1,540.70

Finding the Fourth Proportional to 2,924.60, 4,386.93 and 1,540.70

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Solution

The fourth proportional to 2,924.60, 4,386.93 and 1,540.70 is: 2,311.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,924.60 : 4,386.93 = 1,540.70 : x
  2. Step 2: Convert to fraction form
    2,924.60/4,386.93 = 1,540.70/x
  3. Step 3: Cross multiply
    2,924.60x = 4,386.93 × 1,540.70
  4. Step 4: Simplify right side
    2,924.60x = 6,758,943.05
  5. Step 5: Solve for x
    x = 6,758,943.05/2,924.60
  6. Step 6: Final answer
    x = 2,311.07

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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.