Home / 1,671.10-2,306.34-1,008.32

Finding the Fourth Proportional to 1,671.10, 2,306.34 and 1,008.32

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Solution

The fourth proportional to 1,671.10, 2,306.34 and 1,008.32 is: 1,391.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671.10 : 2,306.34 = 1,008.32 : x
  2. Step 2: Convert to fraction form
    1,671.10/2,306.34 = 1,008.32/x
  3. Step 3: Cross multiply
    1,671.10x = 2,306.34 × 1,008.32
  4. Step 4: Simplify right side
    1,671.10x = 2,325,528.75
  5. Step 5: Solve for x
    x = 2,325,528.75/1,671.10
  6. Step 6: Final answer
    x = 1,391.62

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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.