Home / 1,381.38-1,907.01-1,065.93

Finding the Fourth Proportional to 1,381.38, 1,907.01 and 1,065.93

Calculator

Solution

The fourth proportional to 1,381.38, 1,907.01 and 1,065.93 is: 1,471.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381.38 : 1,907.01 = 1,065.93 : x
  2. Step 2: Convert to fraction form
    1,381.38/1,907.01 = 1,065.93/x
  3. Step 3: Cross multiply
    1,381.38x = 1,907.01 × 1,065.93
  4. Step 4: Simplify right side
    1,381.38x = 2,032,741.27
  5. Step 5: Solve for x
    x = 2,032,741.27/1,381.38
  6. Step 6: Final answer
    x = 1,471.53

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.