Home / 2,690.43-4,035.51-2,548.23

Finding the Fourth Proportional to 2,690.43, 4,035.51 and 2,548.23

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Solution

The fourth proportional to 2,690.43, 4,035.51 and 2,548.23 is: 3,822.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690.43 : 4,035.51 = 2,548.23 : x
  2. Step 2: Convert to fraction form
    2,690.43/4,035.51 = 2,548.23/x
  3. Step 3: Cross multiply
    2,690.43x = 4,035.51 × 2,548.23
  4. Step 4: Simplify right side
    2,690.43x = 10,283,407.65
  5. Step 5: Solve for x
    x = 10,283,407.65/2,690.43
  6. Step 6: Final answer
    x = 3,822.22

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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.