Home / 2,467.79-3,405.53-1,419.85

Finding the Fourth Proportional to 2,467.79, 3,405.53 and 1,419.85

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Solution

The fourth proportional to 2,467.79, 3,405.53 and 1,419.85 is: 1,959.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,467.79 : 3,405.53 = 1,419.85 : x
  2. Step 2: Convert to fraction form
    2,467.79/3,405.53 = 1,419.85/x
  3. Step 3: Cross multiply
    2,467.79x = 3,405.53 × 1,419.85
  4. Step 4: Simplify right side
    2,467.79x = 4,835,341.77
  5. Step 5: Solve for x
    x = 4,835,341.77/2,467.79
  6. Step 6: Final answer
    x = 1,959.38

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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.