Home / 3,782.08-5,219.28-2,210.32

Finding the Fourth Proportional to 3,782.08, 5,219.28 and 2,210.32

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Solution

The fourth proportional to 3,782.08, 5,219.28 and 2,210.32 is: 3,050.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.08 : 5,219.28 = 2,210.32 : x
  2. Step 2: Convert to fraction form
    3,782.08/5,219.28 = 2,210.32/x
  3. Step 3: Cross multiply
    3,782.08x = 5,219.28 × 2,210.32
  4. Step 4: Simplify right side
    3,782.08x = 11,536,278.97
  5. Step 5: Solve for x
    x = 11,536,278.97/3,782.08
  6. Step 6: Final answer
    x = 3,050.25

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Double scale
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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.