Home / 2,549.21-3,823.77-1,010.21

Finding the Fourth Proportional to 2,549.21, 3,823.77 and 1,010.21

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Solution

The fourth proportional to 2,549.21, 3,823.77 and 1,010.21 is: 1,515.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,549.21 : 3,823.77 = 1,010.21 : x
  2. Step 2: Convert to fraction form
    2,549.21/3,823.77 = 1,010.21/x
  3. Step 3: Cross multiply
    2,549.21x = 3,823.77 × 1,010.21
  4. Step 4: Simplify right side
    2,549.21x = 3,862,810.69
  5. Step 5: Solve for x
    x = 3,862,810.69/2,549.21
  6. Step 6: Final answer
    x = 1,515.30

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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.