Home / 3,139.37-4,332.93-2,077.16

Finding the Fourth Proportional to 3,139.37, 4,332.93 and 2,077.16

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Solution

The fourth proportional to 3,139.37, 4,332.93 and 2,077.16 is: 2,866.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139.37 : 4,332.93 = 2,077.16 : x
  2. Step 2: Convert to fraction form
    3,139.37/4,332.93 = 2,077.16/x
  3. Step 3: Cross multiply
    3,139.37x = 4,332.93 × 2,077.16
  4. Step 4: Simplify right side
    3,139.37x = 9,000,156.83
  5. Step 5: Solve for x
    x = 9,000,156.83/3,139.37
  6. Step 6: Final answer
    x = 2,866.87

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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.