Home / 4,135.65-5,705.78-2,342.90

Finding the Fourth Proportional to 4,135.65, 5,705.78 and 2,342.90

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Solution

The fourth proportional to 4,135.65, 5,705.78 and 2,342.90 is: 3,232.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,135.65 : 5,705.78 = 2,342.90 : x
  2. Step 2: Convert to fraction form
    4,135.65/5,705.78 = 2,342.90/x
  3. Step 3: Cross multiply
    4,135.65x = 5,705.78 × 2,342.90
  4. Step 4: Simplify right side
    4,135.65x = 13,368,031.72
  5. Step 5: Solve for x
    x = 13,368,031.72/4,135.65
  6. Step 6: Final answer
    x = 3,232.39

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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.