Home / 2,637.36-3,957.39-1,912.92

Finding the Fourth Proportional to 2,637.36, 3,957.39 and 1,912.92

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Solution

The fourth proportional to 2,637.36, 3,957.39 and 1,912.92 is: 2,870.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637.36 : 3,957.39 = 1,912.92 : x
  2. Step 2: Convert to fraction form
    2,637.36/3,957.39 = 1,912.92/x
  3. Step 3: Cross multiply
    2,637.36x = 3,957.39 × 1,912.92
  4. Step 4: Simplify right side
    2,637.36x = 7,570,155.64
  5. Step 5: Solve for x
    x = 7,570,155.64/2,637.36
  6. Step 6: Final answer
    x = 2,870.35

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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.