Home / 1,511.35-2,268.24-587.34

Finding the Fourth Proportional to 1,511.35, 2,268.24 and 587.34

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Solution

The fourth proportional to 1,511.35, 2,268.24 and 587.34 is: 881.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.35 : 2,268.24 = 587.34 : x
  2. Step 2: Convert to fraction form
    1,511.35/2,268.24 = 587.34/x
  3. Step 3: Cross multiply
    1,511.35x = 2,268.24 × 587.34
  4. Step 4: Simplify right side
    1,511.35x = 1,332,228.08
  5. Step 5: Solve for x
    x = 1,332,228.08/1,511.35
  6. Step 6: Final answer
    x = 881.48

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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.