Home / 1,538.01-2,306.54-442.08

Finding the Fourth Proportional to 1,538.01, 2,306.54 and 442.08

Calculator

Solution

The fourth proportional to 1,538.01, 2,306.54 and 442.08 is: 662.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538.01 : 2,306.54 = 442.08 : x
  2. Step 2: Convert to fraction form
    1,538.01/2,306.54 = 442.08/x
  3. Step 3: Cross multiply
    1,538.01x = 2,306.54 × 442.08
  4. Step 4: Simplify right side
    1,538.01x = 1,019,676.31
  5. Step 5: Solve for x
    x = 1,019,676.31/1,538.01
  6. Step 6: Final answer
    x = 662.98

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.