Home / 1,556.30-2,333.82-581.87

Finding the Fourth Proportional to 1,556.30, 2,333.82 and 581.87

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Solution

The fourth proportional to 1,556.30, 2,333.82 and 581.87 is: 872.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.30 : 2,333.82 = 581.87 : x
  2. Step 2: Convert to fraction form
    1,556.30/2,333.82 = 581.87/x
  3. Step 3: Cross multiply
    1,556.30x = 2,333.82 × 581.87
  4. Step 4: Simplify right side
    1,556.30x = 1,357,979.84
  5. Step 5: Solve for x
    x = 1,357,979.84/1,556.30
  6. Step 6: Final answer
    x = 872.57

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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.