Home / 3,148.35-4,340.43-2,307.57

Finding the Fourth Proportional to 3,148.35, 4,340.43 and 2,307.57

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Solution

The fourth proportional to 3,148.35, 4,340.43 and 2,307.57 is: 3,181.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.35 : 4,340.43 = 2,307.57 : x
  2. Step 2: Convert to fraction form
    3,148.35/4,340.43 = 2,307.57/x
  3. Step 3: Cross multiply
    3,148.35x = 4,340.43 × 2,307.57
  4. Step 4: Simplify right side
    3,148.35x = 10,015,846.06
  5. Step 5: Solve for x
    x = 10,015,846.06/3,148.35
  6. Step 6: Final answer
    x = 3,181.30

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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.