Home / 2,924.55-4,035.99-1,665.72

Finding the Fourth Proportional to 2,924.55, 4,035.99 and 1,665.72

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Solution

The fourth proportional to 2,924.55, 4,035.99 and 1,665.72 is: 2,298.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,924.55 : 4,035.99 = 1,665.72 : x
  2. Step 2: Convert to fraction form
    2,924.55/4,035.99 = 1,665.72/x
  3. Step 3: Cross multiply
    2,924.55x = 4,035.99 × 1,665.72
  4. Step 4: Simplify right side
    2,924.55x = 6,722,829.26
  5. Step 5: Solve for x
    x = 6,722,829.26/2,924.55
  6. Step 6: Final answer
    x = 2,298.76

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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.