Home / 2,957.31-4,433.13-1,983.69

Finding the Fourth Proportional to 2,957.31, 4,433.13 and 1,983.69

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Solution

The fourth proportional to 2,957.31, 4,433.13 and 1,983.69 is: 2,973.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.31 : 4,433.13 = 1,983.69 : x
  2. Step 2: Convert to fraction form
    2,957.31/4,433.13 = 1,983.69/x
  3. Step 3: Cross multiply
    2,957.31x = 4,433.13 × 1,983.69
  4. Step 4: Simplify right side
    2,957.31x = 8,793,955.65
  5. Step 5: Solve for x
    x = 8,793,955.65/2,957.31
  6. Step 6: Final answer
    x = 2,973.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.