Home / 1,556.38-2,333.13-581.74

Finding the Fourth Proportional to 1,556.38, 2,333.13 and 581.74

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Solution

The fourth proportional to 1,556.38, 2,333.13 and 581.74 is: 872.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.38 : 2,333.13 = 581.74 : x
  2. Step 2: Convert to fraction form
    1,556.38/2,333.13 = 581.74/x
  3. Step 3: Cross multiply
    1,556.38x = 2,333.13 × 581.74
  4. Step 4: Simplify right side
    1,556.38x = 1,357,275.05
  5. Step 5: Solve for x
    x = 1,357,275.05/1,556.38
  6. Step 6: Final answer
    x = 872.07

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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.