Home / 4,278.39-5,903.65-2,390.08

Finding the Fourth Proportional to 4,278.39, 5,903.65 and 2,390.08

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Solution

The fourth proportional to 4,278.39, 5,903.65 and 2,390.08 is: 3,298.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.39 : 5,903.65 = 2,390.08 : x
  2. Step 2: Convert to fraction form
    4,278.39/5,903.65 = 2,390.08/x
  3. Step 3: Cross multiply
    4,278.39x = 5,903.65 × 2,390.08
  4. Step 4: Simplify right side
    4,278.39x = 14,110,154.32
  5. Step 5: Solve for x
    x = 14,110,154.32/4,278.39
  6. Step 6: Final answer
    x = 3,298.01

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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.