Home / 1,771.45-2,656.35-538.58

Finding the Fourth Proportional to 1,771.45, 2,656.35 and 538.58

Calculator

Solution

The fourth proportional to 1,771.45, 2,656.35 and 538.58 is: 807.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771.45 : 2,656.35 = 538.58 : x
  2. Step 2: Convert to fraction form
    1,771.45/2,656.35 = 538.58/x
  3. Step 3: Cross multiply
    1,771.45x = 2,656.35 × 538.58
  4. Step 4: Simplify right side
    1,771.45x = 1,430,656.98
  5. Step 5: Solve for x
    x = 1,430,656.98/1,771.45
  6. Step 6: Final answer
    x = 807.62

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.