Home / 2,776.93-4,165.47-1,216.13

Finding the Fourth Proportional to 2,776.93, 4,165.47 and 1,216.13

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Solution

The fourth proportional to 2,776.93, 4,165.47 and 1,216.13 is: 1,824.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776.93 : 4,165.47 = 1,216.13 : x
  2. Step 2: Convert to fraction form
    2,776.93/4,165.47 = 1,216.13/x
  3. Step 3: Cross multiply
    2,776.93x = 4,165.47 × 1,216.13
  4. Step 4: Simplify right side
    2,776.93x = 5,065,726.12
  5. Step 5: Solve for x
    x = 5,065,726.12/2,776.93
  6. Step 6: Final answer
    x = 1,824.22

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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.