Home / 2,570.46-3,853.50-1,089.62

Finding the Fourth Proportional to 2,570.46, 3,853.50 and 1,089.62

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Solution

The fourth proportional to 2,570.46, 3,853.50 and 1,089.62 is: 1,633.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,570.46 : 3,853.50 = 1,089.62 : x
  2. Step 2: Convert to fraction form
    2,570.46/3,853.50 = 1,089.62/x
  3. Step 3: Cross multiply
    2,570.46x = 3,853.50 × 1,089.62
  4. Step 4: Simplify right side
    2,570.46x = 4,198,850.67
  5. Step 5: Solve for x
    x = 4,198,850.67/2,570.46
  6. Step 6: Final answer
    x = 1,633.50

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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.