Home / 2,254.77-3,111.42-1,246.44

Finding the Fourth Proportional to 2,254.77, 3,111.42 and 1,246.44

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Solution

The fourth proportional to 2,254.77, 3,111.42 and 1,246.44 is: 1,720.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254.77 : 3,111.42 = 1,246.44 : x
  2. Step 2: Convert to fraction form
    2,254.77/3,111.42 = 1,246.44/x
  3. Step 3: Cross multiply
    2,254.77x = 3,111.42 × 1,246.44
  4. Step 4: Simplify right side
    2,254.77x = 3,878,198.34
  5. Step 5: Solve for x
    x = 3,878,198.34/2,254.77
  6. Step 6: Final answer
    x = 1,720.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.