Home / 1,590.60-2,385.96-436.44

Finding the Fourth Proportional to 1,590.60, 2,385.96 and 436.44

Calculator

Solution

The fourth proportional to 1,590.60, 2,385.96 and 436.44 is: 654.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590.60 : 2,385.96 = 436.44 : x
  2. Step 2: Convert to fraction form
    1,590.60/2,385.96 = 436.44/x
  3. Step 3: Cross multiply
    1,590.60x = 2,385.96 × 436.44
  4. Step 4: Simplify right side
    1,590.60x = 1,041,328.38
  5. Step 5: Solve for x
    x = 1,041,328.38/1,590.60
  6. Step 6: Final answer
    x = 654.68

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.