Home / 2,844.70-3,925.71-1,665.81

Finding the Fourth Proportional to 2,844.70, 3,925.71 and 1,665.81

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Solution

The fourth proportional to 2,844.70, 3,925.71 and 1,665.81 is: 2,298.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,844.70 : 3,925.71 = 1,665.81 : x
  2. Step 2: Convert to fraction form
    2,844.70/3,925.71 = 1,665.81/x
  3. Step 3: Cross multiply
    2,844.70x = 3,925.71 × 1,665.81
  4. Step 4: Simplify right side
    2,844.70x = 6,539,486.98
  5. Step 5: Solve for x
    x = 6,539,486.98/2,844.70
  6. Step 6: Final answer
    x = 2,298.83

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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.