Home / 2,637.28-3,956.85-1,648.95

Finding the Fourth Proportional to 2,637.28, 3,956.85 and 1,648.95

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Solution

The fourth proportional to 2,637.28, 3,956.85 and 1,648.95 is: 2,474.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637.28 : 3,956.85 = 1,648.95 : x
  2. Step 2: Convert to fraction form
    2,637.28/3,956.85 = 1,648.95/x
  3. Step 3: Cross multiply
    2,637.28x = 3,956.85 × 1,648.95
  4. Step 4: Simplify right side
    2,637.28x = 6,524,647.81
  5. Step 5: Solve for x
    x = 6,524,647.81/2,637.28
  6. Step 6: Final answer
    x = 2,474.01

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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.