Home / 1,132.23-1,698.11-310.28

Finding the Fourth Proportional to 1,132.23, 1,698.11 and 310.28

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Solution

The fourth proportional to 1,132.23, 1,698.11 and 310.28 is: 465.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132.23 : 1,698.11 = 310.28 : x
  2. Step 2: Convert to fraction form
    1,132.23/1,698.11 = 310.28/x
  3. Step 3: Cross multiply
    1,132.23x = 1,698.11 × 310.28
  4. Step 4: Simplify right side
    1,132.23x = 526,891.99
  5. Step 5: Solve for x
    x = 526,891.99/1,132.23
  6. Step 6: Final answer
    x = 465.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.