Home / 2,844.90-3,925.37-1,665.74

Finding the Fourth Proportional to 2,844.90, 3,925.37 and 1,665.74

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Solution

The fourth proportional to 2,844.90, 3,925.37 and 1,665.74 is: 2,298.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,844.90 : 3,925.37 = 1,665.74 : x
  2. Step 2: Convert to fraction form
    2,844.90/3,925.37 = 1,665.74/x
  3. Step 3: Cross multiply
    2,844.90x = 3,925.37 × 1,665.74
  4. Step 4: Simplify right side
    2,844.90x = 6,538,617.87
  5. Step 5: Solve for x
    x = 6,538,617.87/2,844.90
  6. Step 6: Final answer
    x = 2,298.36

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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.