Home / 2,254.35-3,112.16-1,554.51

Finding the Fourth Proportional to 2,254.35, 3,112.16 and 1,554.51

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Solution

The fourth proportional to 2,254.35, 3,112.16 and 1,554.51 is: 2,146.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254.35 : 3,112.16 = 1,554.51 : x
  2. Step 2: Convert to fraction form
    2,254.35/3,112.16 = 1,554.51/x
  3. Step 3: Cross multiply
    2,254.35x = 3,112.16 × 1,554.51
  4. Step 4: Simplify right side
    2,254.35x = 4,837,872.17
  5. Step 5: Solve for x
    x = 4,837,872.17/2,254.35
  6. Step 6: Final answer
    x = 2,146.02

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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.