Home / 2,378.68-3,281.02-1,433.82

Finding the Fourth Proportional to 2,378.68, 3,281.02 and 1,433.82

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Solution

The fourth proportional to 2,378.68, 3,281.02 and 1,433.82 is: 1,977.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378.68 : 3,281.02 = 1,433.82 : x
  2. Step 2: Convert to fraction form
    2,378.68/3,281.02 = 1,433.82/x
  3. Step 3: Cross multiply
    2,378.68x = 3,281.02 × 1,433.82
  4. Step 4: Simplify right side
    2,378.68x = 4,704,392.10
  5. Step 5: Solve for x
    x = 4,704,392.10/2,378.68
  6. Step 6: Final answer
    x = 1,977.73

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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.