Home / 2,011.76-3,017.65-916.44

Finding the Fourth Proportional to 2,011.76, 3,017.65 and 916.44

Calculator

Solution

The fourth proportional to 2,011.76, 3,017.65 and 916.44 is: 1,374.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011.76 : 3,017.65 = 916.44 : x
  2. Step 2: Convert to fraction form
    2,011.76/3,017.65 = 916.44/x
  3. Step 3: Cross multiply
    2,011.76x = 3,017.65 × 916.44
  4. Step 4: Simplify right side
    2,011.76x = 2,765,492.87
  5. Step 5: Solve for x
    x = 2,765,492.87/2,011.76
  6. Step 6: Final answer
    x = 1,374.66

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.