Home / 3,062.70-4,226.50-1,665.45

Finding the Fourth Proportional to 3,062.70, 4,226.50 and 1,665.45

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Solution

The fourth proportional to 3,062.70, 4,226.50 and 1,665.45 is: 2,298.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,062.70 : 4,226.50 = 1,665.45 : x
  2. Step 2: Convert to fraction form
    3,062.70/4,226.50 = 1,665.45/x
  3. Step 3: Cross multiply
    3,062.70x = 4,226.50 × 1,665.45
  4. Step 4: Simplify right side
    3,062.70x = 7,039,024.43
  5. Step 5: Solve for x
    x = 7,039,024.43/3,062.70
  6. Step 6: Final answer
    x = 2,298.31

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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.