Home / 1,562.85-2,347.23-947.67

Finding the Fourth Proportional to 1,562.85, 2,347.23 and 947.67

Calculator

Solution

The fourth proportional to 1,562.85, 2,347.23 and 947.67 is: 1,423.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562.85 : 2,347.23 = 947.67 : x
  2. Step 2: Convert to fraction form
    1,562.85/2,347.23 = 947.67/x
  3. Step 3: Cross multiply
    1,562.85x = 2,347.23 × 947.67
  4. Step 4: Simplify right side
    1,562.85x = 2,224,399.45
  5. Step 5: Solve for x
    x = 2,224,399.45/1,562.85
  6. Step 6: Final answer
    x = 1,423.30

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.