Home / 1,351.34-1,864.97-761.99

Finding the Fourth Proportional to 1,351.34, 1,864.97 and 761.99

Calculator

Solution

The fourth proportional to 1,351.34, 1,864.97 and 761.99 is: 1,051.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351.34 : 1,864.97 = 761.99 : x
  2. Step 2: Convert to fraction form
    1,351.34/1,864.97 = 761.99/x
  3. Step 3: Cross multiply
    1,351.34x = 1,864.97 × 761.99
  4. Step 4: Simplify right side
    1,351.34x = 1,421,095.06
  5. Step 5: Solve for x
    x = 1,421,095.06/1,351.34
  6. Step 6: Final answer
    x = 1,051.62

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.