Home / 1,398.87-2,098.16-424.98

Finding the Fourth Proportional to 1,398.87, 2,098.16 and 424.98

Calculator

Solution

The fourth proportional to 1,398.87, 2,098.16 and 424.98 is: 637.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398.87 : 2,098.16 = 424.98 : x
  2. Step 2: Convert to fraction form
    1,398.87/2,098.16 = 424.98/x
  3. Step 3: Cross multiply
    1,398.87x = 2,098.16 × 424.98
  4. Step 4: Simplify right side
    1,398.87x = 891,665.55
  5. Step 5: Solve for x
    x = 891,665.55/1,398.87
  6. Step 6: Final answer
    x = 637.42

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.