Home / 3,780.36-5,219.40-2,366.16

Finding the Fourth Proportional to 3,780.36, 5,219.40 and 2,366.16

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Solution

The fourth proportional to 3,780.36, 5,219.40 and 2,366.16 is: 3,266.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780.36 : 5,219.40 = 2,366.16 : x
  2. Step 2: Convert to fraction form
    3,780.36/5,219.40 = 2,366.16/x
  3. Step 3: Cross multiply
    3,780.36x = 5,219.40 × 2,366.16
  4. Step 4: Simplify right side
    3,780.36x = 12,349,935.50
  5. Step 5: Solve for x
    x = 12,349,935.50/3,780.36
  6. Step 6: Final answer
    x = 3,266.87

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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.