Home / 2,924.34-4,389.55-1,957.20

Finding the Fourth Proportional to 2,924.34, 4,389.55 and 1,957.20

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Solution

The fourth proportional to 2,924.34, 4,389.55 and 1,957.20 is: 2,937.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,924.34 : 4,389.55 = 1,957.20 : x
  2. Step 2: Convert to fraction form
    2,924.34/4,389.55 = 1,957.20/x
  3. Step 3: Cross multiply
    2,924.34x = 4,389.55 × 1,957.20
  4. Step 4: Simplify right side
    2,924.34x = 8,591,222.37
  5. Step 5: Solve for x
    x = 8,591,222.37/2,924.34
  6. Step 6: Final answer
    x = 2,937.83

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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.