Home / 1,874.42-2,585.77-1,211.84

Finding the Fourth Proportional to 1,874.42, 2,585.77 and 1,211.84

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Solution

The fourth proportional to 1,874.42, 2,585.77 and 1,211.84 is: 1,671.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874.42 : 2,585.77 = 1,211.84 : x
  2. Step 2: Convert to fraction form
    1,874.42/2,585.77 = 1,211.84/x
  3. Step 3: Cross multiply
    1,874.42x = 2,585.77 × 1,211.84
  4. Step 4: Simplify right side
    1,874.42x = 3,133,526.59
  5. Step 5: Solve for x
    x = 3,133,526.59/1,874.42
  6. Step 6: Final answer
    x = 1,671.74

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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.