Home / 2,677.88-3,693.62-2,457.56

Finding the Fourth Proportional to 2,677.88, 3,693.62 and 2,457.56

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Solution

The fourth proportional to 2,677.88, 3,693.62 and 2,457.56 is: 3,389.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,677.88 : 3,693.62 = 2,457.56 : x
  2. Step 2: Convert to fraction form
    2,677.88/3,693.62 = 2,457.56/x
  3. Step 3: Cross multiply
    2,677.88x = 3,693.62 × 2,457.56
  4. Step 4: Simplify right side
    2,677.88x = 9,077,292.77
  5. Step 5: Solve for x
    x = 9,077,292.77/2,677.88
  6. Step 6: Final answer
    x = 3,389.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.