Home / 2,381.01-3,286.02-1,372.76

Finding the Fourth Proportional to 2,381.01, 3,286.02 and 1,372.76

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Solution

The fourth proportional to 2,381.01, 3,286.02 and 1,372.76 is: 1,894.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381.01 : 3,286.02 = 1,372.76 : x
  2. Step 2: Convert to fraction form
    2,381.01/3,286.02 = 1,372.76/x
  3. Step 3: Cross multiply
    2,381.01x = 3,286.02 × 1,372.76
  4. Step 4: Simplify right side
    2,381.01x = 4,510,925.03
  5. Step 5: Solve for x
    x = 4,510,925.03/2,381.01
  6. Step 6: Final answer
    x = 1,894.54

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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.