Home / 2,631.60-3,631.68-1,584

Finding the Fourth Proportional to 2,631.60, 3,631.68 and 1,584

Calculator

Solution

The fourth proportional to 2,631.60, 3,631.68 and 1,584 is: 2,185.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.60 : 3,631.68 = 1,584 : x
  2. Step 2: Convert to fraction form
    2,631.60/3,631.68 = 1,584/x
  3. Step 3: Cross multiply
    2,631.60x = 3,631.68 × 1,584
  4. Step 4: Simplify right side
    2,631.60x = 5,752,581.12
  5. Step 5: Solve for x
    x = 5,752,581.12/2,631.60
  6. Step 6: Final answer
    x = 2,185.96

Related Problems

Find fourth proportional to 1,315.80, 1,815.84 and 792
Half scale
Find fourth proportional to 5,263.20, 7,263.36 and 3,168
Double scale
Find fourth proportional to 2,632.60, 3,633.06 and 1,585
Similar ratio
Find fourth proportional to 3,947.40, 5,447.52 and 2,376
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.