Home / 3,851.40-5,312.64-2,338.44

Finding the Fourth Proportional to 3,851.40, 5,312.64 and 2,338.44

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Solution

The fourth proportional to 3,851.40, 5,312.64 and 2,338.44 is: 3,225.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.40 : 5,312.64 = 2,338.44 : x
  2. Step 2: Convert to fraction form
    3,851.40/5,312.64 = 2,338.44/x
  3. Step 3: Cross multiply
    3,851.40x = 5,312.64 × 2,338.44
  4. Step 4: Simplify right side
    3,851.40x = 12,423,289.88
  5. Step 5: Solve for x
    x = 12,423,289.88/3,851.40
  6. Step 6: Final answer
    x = 3,225.66

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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.