Home / 1,556.07-2,334.17-723.91

Finding the Fourth Proportional to 1,556.07, 2,334.17 and 723.91

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Solution

The fourth proportional to 1,556.07, 2,334.17 and 723.91 is: 1,085.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.07 : 2,334.17 = 723.91 : x
  2. Step 2: Convert to fraction form
    1,556.07/2,334.17 = 723.91/x
  3. Step 3: Cross multiply
    1,556.07x = 2,334.17 × 723.91
  4. Step 4: Simplify right side
    1,556.07x = 1,689,725.39
  5. Step 5: Solve for x
    x = 1,689,725.39/1,556.07
  6. Step 6: Final answer
    x = 1,085.90

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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.