Home / 2,278.53-3,143.61-1,482.50

Finding the Fourth Proportional to 2,278.53, 3,143.61 and 1,482.50

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Solution

The fourth proportional to 2,278.53, 3,143.61 and 1,482.50 is: 2,045.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.53 : 3,143.61 = 1,482.50 : x
  2. Step 2: Convert to fraction form
    2,278.53/3,143.61 = 1,482.50/x
  3. Step 3: Cross multiply
    2,278.53x = 3,143.61 × 1,482.50
  4. Step 4: Simplify right side
    2,278.53x = 4,660,409.68
  5. Step 5: Solve for x
    x = 4,660,409.68/2,278.53
  6. Step 6: Final answer
    x = 2,045.36

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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.