Home / 3,561.12-5,342.28-1,587.45

Finding the Fourth Proportional to 3,561.12, 5,342.28 and 1,587.45

Calculator

Solution

The fourth proportional to 3,561.12, 5,342.28 and 1,587.45 is: 2,381.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.12 : 5,342.28 = 1,587.45 : x
  2. Step 2: Convert to fraction form
    3,561.12/5,342.28 = 1,587.45/x
  3. Step 3: Cross multiply
    3,561.12x = 5,342.28 × 1,587.45
  4. Step 4: Simplify right side
    3,561.12x = 8,480,602.39
  5. Step 5: Solve for x
    x = 8,480,602.39/3,561.12
  6. Step 6: Final answer
    x = 2,381.44

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.