Home / 2,570.62-3,855.66-1,010.30

Finding the Fourth Proportional to 2,570.62, 3,855.66 and 1,010.30

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Solution

The fourth proportional to 2,570.62, 3,855.66 and 1,010.30 is: 1,515.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,570.62 : 3,855.66 = 1,010.30 : x
  2. Step 2: Convert to fraction form
    2,570.62/3,855.66 = 1,010.30/x
  3. Step 3: Cross multiply
    2,570.62x = 3,855.66 × 1,010.30
  4. Step 4: Simplify right side
    2,570.62x = 3,895,373.30
  5. Step 5: Solve for x
    x = 3,895,373.30/2,570.62
  6. Step 6: Final answer
    x = 1,515.34

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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.