Home / 1,073.91-1,482-631.83

Finding the Fourth Proportional to 1,073.91, 1,482 and 631.83

Calculator

Solution

The fourth proportional to 1,073.91, 1,482 and 631.83 is: 871.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073.91 : 1,482 = 631.83 : x
  2. Step 2: Convert to fraction form
    1,073.91/1,482 = 631.83/x
  3. Step 3: Cross multiply
    1,073.91x = 1,482 × 631.83
  4. Step 4: Simplify right side
    1,073.91x = 936,372.06
  5. Step 5: Solve for x
    x = 936,372.06/1,073.91
  6. Step 6: Final answer
    x = 871.93

Related Problems

Find fourth proportional to 536.96, 741 and 315.92
Half scale
Find fourth proportional to 2,147.82, 2,964 and 1,263.66
Double scale
Find fourth proportional to 1,074.91, 1,483.38 and 632.83
Similar ratio
Find fourth proportional to 1,610.87, 2,223 and 947.75
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.