Home / 3,774.80-5,208.98-2,358.41

Finding the Fourth Proportional to 3,774.80, 5,208.98 and 2,358.41

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Solution

The fourth proportional to 3,774.80, 5,208.98 and 2,358.41 is: 3,254.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,774.80 : 5,208.98 = 2,358.41 : x
  2. Step 2: Convert to fraction form
    3,774.80/5,208.98 = 2,358.41/x
  3. Step 3: Cross multiply
    3,774.80x = 5,208.98 × 2,358.41
  4. Step 4: Simplify right side
    3,774.80x = 12,284,872.68
  5. Step 5: Solve for x
    x = 12,284,872.68/3,774.80
  6. Step 6: Final answer
    x = 3,254.45

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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.