Home / 1,871.77-2,582.25-1,373.55

Finding the Fourth Proportional to 1,871.77, 2,582.25 and 1,373.55

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Solution

The fourth proportional to 1,871.77, 2,582.25 and 1,373.55 is: 1,894.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871.77 : 2,582.25 = 1,373.55 : x
  2. Step 2: Convert to fraction form
    1,871.77/2,582.25 = 1,373.55/x
  3. Step 3: Cross multiply
    1,871.77x = 2,582.25 × 1,373.55
  4. Step 4: Simplify right side
    1,871.77x = 3,546,849.49
  5. Step 5: Solve for x
    x = 3,546,849.49/1,871.77
  6. Step 6: Final answer
    x = 1,894.92

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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.