Home / 2,844.66-3,925.65-1,665.75

Finding the Fourth Proportional to 2,844.66, 3,925.65 and 1,665.75

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Solution

The fourth proportional to 2,844.66, 3,925.65 and 1,665.75 is: 2,298.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,844.66 : 3,925.65 = 1,665.75 : x
  2. Step 2: Convert to fraction form
    2,844.66/3,925.65 = 1,665.75/x
  3. Step 3: Cross multiply
    2,844.66x = 3,925.65 × 1,665.75
  4. Step 4: Simplify right side
    2,844.66x = 6,539,151.49
  5. Step 5: Solve for x
    x = 6,539,151.49/2,844.66
  6. Step 6: Final answer
    x = 2,298.75

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1.5x scale

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.