Home / 1,372-1,893.39-751

Finding the Fourth Proportional to 1,372, 1,893.39 and 751

Calculator

Solution

The fourth proportional to 1,372, 1,893.39 and 751 is: 1,036.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372 : 1,893.39 = 751 : x
  2. Step 2: Convert to fraction form
    1,372/1,893.39 = 751/x
  3. Step 3: Cross multiply
    1,372x = 1,893.39 × 751
  4. Step 4: Simplify right side
    1,372x = 1,421,935.89
  5. Step 5: Solve for x
    x = 1,421,935.89/1,372
  6. Step 6: Final answer
    x = 1,036.40

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.