Home / 2,130.30-2,937.87-1,342.98

Finding the Fourth Proportional to 2,130.30, 2,937.87 and 1,342.98

Calculator

Solution

The fourth proportional to 2,130.30, 2,937.87 and 1,342.98 is: 1,852.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130.30 : 2,937.87 = 1,342.98 : x
  2. Step 2: Convert to fraction form
    2,130.30/2,937.87 = 1,342.98/x
  3. Step 3: Cross multiply
    2,130.30x = 2,937.87 × 1,342.98
  4. Step 4: Simplify right side
    2,130.30x = 3,945,500.65
  5. Step 5: Solve for x
    x = 3,945,500.65/2,130.30
  6. Step 6: Final answer
    x = 1,852.09

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.