Home / 2,277.81-3,143.38-1,437.63

Finding the Fourth Proportional to 2,277.81, 3,143.38 and 1,437.63

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Solution

The fourth proportional to 2,277.81, 3,143.38 and 1,437.63 is: 1,983.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,277.81 : 3,143.38 = 1,437.63 : x
  2. Step 2: Convert to fraction form
    2,277.81/3,143.38 = 1,437.63/x
  3. Step 3: Cross multiply
    2,277.81x = 3,143.38 × 1,437.63
  4. Step 4: Simplify right side
    2,277.81x = 4,519,010.20
  5. Step 5: Solve for x
    x = 4,519,010.20/2,277.81
  6. Step 6: Final answer
    x = 1,983.93

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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.