Home / 3,254.28-4,490.87-1,762.17

Finding the Fourth Proportional to 3,254.28, 4,490.87 and 1,762.17

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Solution

The fourth proportional to 3,254.28, 4,490.87 and 1,762.17 is: 2,431.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.28 : 4,490.87 = 1,762.17 : x
  2. Step 2: Convert to fraction form
    3,254.28/4,490.87 = 1,762.17/x
  3. Step 3: Cross multiply
    3,254.28x = 4,490.87 × 1,762.17
  4. Step 4: Simplify right side
    3,254.28x = 7,913,676.39
  5. Step 5: Solve for x
    x = 7,913,676.39/3,254.28
  6. Step 6: Final answer
    x = 2,431.77

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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.