Home / 2,254.20-3,111.08-1,554.36

Finding the Fourth Proportional to 2,254.20, 3,111.08 and 1,554.36

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Solution

The fourth proportional to 2,254.20, 3,111.08 and 1,554.36 is: 2,145.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254.20 : 3,111.08 = 1,554.36 : x
  2. Step 2: Convert to fraction form
    2,254.20/3,111.08 = 1,554.36/x
  3. Step 3: Cross multiply
    2,254.20x = 3,111.08 × 1,554.36
  4. Step 4: Simplify right side
    2,254.20x = 4,835,738.31
  5. Step 5: Solve for x
    x = 4,835,738.31/2,254.20
  6. Step 6: Final answer
    x = 2,145.21

Related Problems

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Half scale
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Double scale
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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.