Home / 2,101.31-2,896.69-1,345.01

Finding the Fourth Proportional to 2,101.31, 2,896.69 and 1,345.01

Calculator

Solution

The fourth proportional to 2,101.31, 2,896.69 and 1,345.01 is: 1,854.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101.31 : 2,896.69 = 1,345.01 : x
  2. Step 2: Convert to fraction form
    2,101.31/2,896.69 = 1,345.01/x
  3. Step 3: Cross multiply
    2,101.31x = 2,896.69 × 1,345.01
  4. Step 4: Simplify right side
    2,101.31x = 3,896,077.02
  5. Step 5: Solve for x
    x = 3,896,077.02/2,101.31
  6. Step 6: Final answer
    x = 1,854.12

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.