Home / 2,690.46-4,041.36-2,617.56

Finding the Fourth Proportional to 2,690.46, 4,041.36 and 2,617.56

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Solution

The fourth proportional to 2,690.46, 4,041.36 and 2,617.56 is: 3,931.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690.46 : 4,041.36 = 2,617.56 : x
  2. Step 2: Convert to fraction form
    2,690.46/4,041.36 = 2,617.56/x
  3. Step 3: Cross multiply
    2,690.46x = 4,041.36 × 2,617.56
  4. Step 4: Simplify right side
    2,690.46x = 10,578,502.28
  5. Step 5: Solve for x
    x = 10,578,502.28/2,690.46
  6. Step 6: Final answer
    x = 3,931.86

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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.