Home / 2,479.09-3,419.90-1,484.11

Finding the Fourth Proportional to 2,479.09, 3,419.90 and 1,484.11

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Solution

The fourth proportional to 2,479.09, 3,419.90 and 1,484.11 is: 2,047.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479.09 : 3,419.90 = 1,484.11 : x
  2. Step 2: Convert to fraction form
    2,479.09/3,419.90 = 1,484.11/x
  3. Step 3: Cross multiply
    2,479.09x = 3,419.90 × 1,484.11
  4. Step 4: Simplify right side
    2,479.09x = 5,075,507.79
  5. Step 5: Solve for x
    x = 5,075,507.79/2,479.09
  6. Step 6: Final answer
    x = 2,047.33

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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.