Home / 3,915.66-5,873.19-2,271.18

Finding the Fourth Proportional to 3,915.66, 5,873.19 and 2,271.18

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Solution

The fourth proportional to 3,915.66, 5,873.19 and 2,271.18 is: 3,406.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915.66 : 5,873.19 = 2,271.18 : x
  2. Step 2: Convert to fraction form
    3,915.66/5,873.19 = 2,271.18/x
  3. Step 3: Cross multiply
    3,915.66x = 5,873.19 × 2,271.18
  4. Step 4: Simplify right side
    3,915.66x = 13,339,071.66
  5. Step 5: Solve for x
    x = 13,339,071.66/3,915.66
  6. Step 6: Final answer
    x = 3,406.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.