Home / 3,915.15-5,403.07-2,342.94

Finding the Fourth Proportional to 3,915.15, 5,403.07 and 2,342.94

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Solution

The fourth proportional to 3,915.15, 5,403.07 and 2,342.94 is: 3,233.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915.15 : 5,403.07 = 2,342.94 : x
  2. Step 2: Convert to fraction form
    3,915.15/5,403.07 = 2,342.94/x
  3. Step 3: Cross multiply
    3,915.15x = 5,403.07 × 2,342.94
  4. Step 4: Simplify right side
    3,915.15x = 12,659,041.81
  5. Step 5: Solve for x
    x = 12,659,041.81/3,915.15
  6. Step 6: Final answer
    x = 3,233.35

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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.