Home / 1,161.35-1,602.59-637.34

Finding the Fourth Proportional to 1,161.35, 1,602.59 and 637.34

Calculator

Solution

The fourth proportional to 1,161.35, 1,602.59 and 637.34 is: 879.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161.35 : 1,602.59 = 637.34 : x
  2. Step 2: Convert to fraction form
    1,161.35/1,602.59 = 637.34/x
  3. Step 3: Cross multiply
    1,161.35x = 1,602.59 × 637.34
  4. Step 4: Simplify right side
    1,161.35x = 1,021,388.29
  5. Step 5: Solve for x
    x = 1,021,388.29/1,161.35
  6. Step 6: Final answer
    x = 879.49

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.