Home / 2,802.39-4,199.64-2,214.78

Finding the Fourth Proportional to 2,802.39, 4,199.64 and 2,214.78

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Solution

The fourth proportional to 2,802.39, 4,199.64 and 2,214.78 is: 3,319.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802.39 : 4,199.64 = 2,214.78 : x
  2. Step 2: Convert to fraction form
    2,802.39/4,199.64 = 2,214.78/x
  3. Step 3: Cross multiply
    2,802.39x = 4,199.64 × 2,214.78
  4. Step 4: Simplify right side
    2,802.39x = 9,301,278.68
  5. Step 5: Solve for x
    x = 9,301,278.68/2,802.39
  6. Step 6: Final answer
    x = 3,319.05

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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.