Home / 2,957.28-4,436.92-1,860.36

Finding the Fourth Proportional to 2,957.28, 4,436.92 and 1,860.36

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Solution

The fourth proportional to 2,957.28, 4,436.92 and 1,860.36 is: 2,791.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.28 : 4,436.92 = 1,860.36 : x
  2. Step 2: Convert to fraction form
    2,957.28/4,436.92 = 1,860.36/x
  3. Step 3: Cross multiply
    2,957.28x = 4,436.92 × 1,860.36
  4. Step 4: Simplify right side
    2,957.28x = 8,254,268.49
  5. Step 5: Solve for x
    x = 8,254,268.49/2,957.28
  6. Step 6: Final answer
    x = 2,791.17

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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.