Home / 2,479.27-3,420.66-1,417

Finding the Fourth Proportional to 2,479.27, 3,420.66 and 1,417

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Solution

The fourth proportional to 2,479.27, 3,420.66 and 1,417 is: 1,955.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479.27 : 3,420.66 = 1,417 : x
  2. Step 2: Convert to fraction form
    2,479.27/3,420.66 = 1,417/x
  3. Step 3: Cross multiply
    2,479.27x = 3,420.66 × 1,417
  4. Step 4: Simplify right side
    2,479.27x = 4,847,075.22
  5. Step 5: Solve for x
    x = 4,847,075.22/2,479.27
  6. Step 6: Final answer
    x = 1,955.04

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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.