Home / 4,135.15-5,705.08-2,342.40

Finding the Fourth Proportional to 4,135.15, 5,705.08 and 2,342.40

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Solution

The fourth proportional to 4,135.15, 5,705.08 and 2,342.40 is: 3,231.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,135.15 : 5,705.08 = 2,342.40 : x
  2. Step 2: Convert to fraction form
    4,135.15/5,705.08 = 2,342.40/x
  3. Step 3: Cross multiply
    4,135.15x = 5,705.08 × 2,342.40
  4. Step 4: Simplify right side
    4,135.15x = 13,363,579.39
  5. Step 5: Solve for x
    x = 13,363,579.39/4,135.15
  6. Step 6: Final answer
    x = 3,231.70

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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.