Home / 1,655.61-2,479.77-923.37

Finding the Fourth Proportional to 1,655.61, 2,479.77 and 923.37

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Solution

The fourth proportional to 1,655.61, 2,479.77 and 923.37 is: 1,383.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655.61 : 2,479.77 = 923.37 : x
  2. Step 2: Convert to fraction form
    1,655.61/2,479.77 = 923.37/x
  3. Step 3: Cross multiply
    1,655.61x = 2,479.77 × 923.37
  4. Step 4: Simplify right side
    1,655.61x = 2,289,745.22
  5. Step 5: Solve for x
    x = 2,289,745.22/1,655.61
  6. Step 6: Final answer
    x = 1,383.02

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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.