Home / 1,044-1,566-986.28

Finding the Fourth Proportional to 1,044, 1,566 and 986.28

Calculator

Solution

The fourth proportional to 1,044, 1,566 and 986.28 is: 1,479.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044 : 1,566 = 986.28 : x
  2. Step 2: Convert to fraction form
    1,044/1,566 = 986.28/x
  3. Step 3: Cross multiply
    1,044x = 1,566 × 986.28
  4. Step 4: Simplify right side
    1,044x = 1,544,514.48
  5. Step 5: Solve for x
    x = 1,544,514.48/1,044
  6. Step 6: Final answer
    x = 1,479.42

Related Problems

Find fourth proportional to 522, 783 and 493.14
Half scale
Find fourth proportional to 2,088, 3,132 and 1,972.56
Double scale
Find fourth proportional to 1,045, 1,567.50 and 987.28
Similar ratio
Find fourth proportional to 1,566, 2,349 and 1,479.42
1.5x scale

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.