Home / 2,521.82-3,479.92-1,402.71

Finding the Fourth Proportional to 2,521.82, 3,479.92 and 1,402.71

Calculator

Solution

The fourth proportional to 2,521.82, 3,479.92 and 1,402.71 is: 1,935.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,521.82 : 3,479.92 = 1,402.71 : x
  2. Step 2: Convert to fraction form
    2,521.82/3,479.92 = 1,402.71/x
  3. Step 3: Cross multiply
    2,521.82x = 3,479.92 × 1,402.71
  4. Step 4: Simplify right side
    2,521.82x = 4,881,318.58
  5. Step 5: Solve for x
    x = 4,881,318.58/2,521.82
  6. Step 6: Final answer
    x = 1,935.63

Related Problems

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.