Home / 4,291.29-6,435.63-1,658.61

Finding the Fourth Proportional to 4,291.29, 6,435.63 and 1,658.61

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Solution

The fourth proportional to 4,291.29, 6,435.63 and 1,658.61 is: 2,487.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,291.29 : 6,435.63 = 1,658.61 : x
  2. Step 2: Convert to fraction form
    4,291.29/6,435.63 = 1,658.61/x
  3. Step 3: Cross multiply
    4,291.29x = 6,435.63 × 1,658.61
  4. Step 4: Simplify right side
    4,291.29x = 10,674,200.27
  5. Step 5: Solve for x
    x = 10,674,200.27/4,291.29
  6. Step 6: Final answer
    x = 2,487.41

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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.