Home / 2,570.51-3,855.99-1,010.40

Finding the Fourth Proportional to 2,570.51, 3,855.99 and 1,010.40

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Solution

The fourth proportional to 2,570.51, 3,855.99 and 1,010.40 is: 1,515.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,570.51 : 3,855.99 = 1,010.40 : x
  2. Step 2: Convert to fraction form
    2,570.51/3,855.99 = 1,010.40/x
  3. Step 3: Cross multiply
    2,570.51x = 3,855.99 × 1,010.40
  4. Step 4: Simplify right side
    2,570.51x = 3,896,092.30
  5. Step 5: Solve for x
    x = 3,896,092.30/2,570.51
  6. Step 6: Final answer
    x = 1,515.69

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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.