Home / 2,254.26-3,386.28-1,908.30

Finding the Fourth Proportional to 2,254.26, 3,386.28 and 1,908.30

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Solution

The fourth proportional to 2,254.26, 3,386.28 and 1,908.30 is: 2,866.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254.26 : 3,386.28 = 1,908.30 : x
  2. Step 2: Convert to fraction form
    2,254.26/3,386.28 = 1,908.30/x
  3. Step 3: Cross multiply
    2,254.26x = 3,386.28 × 1,908.30
  4. Step 4: Simplify right side
    2,254.26x = 6,462,038.12
  5. Step 5: Solve for x
    x = 6,462,038.12/2,254.26
  6. Step 6: Final answer
    x = 2,866.59

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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.