Home / 3,584.40-5,376.25-1,117.87

Finding the Fourth Proportional to 3,584.40, 5,376.25 and 1,117.87

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Solution

The fourth proportional to 3,584.40, 5,376.25 and 1,117.87 is: 1,676.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,584.40 : 5,376.25 = 1,117.87 : x
  2. Step 2: Convert to fraction form
    3,584.40/5,376.25 = 1,117.87/x
  3. Step 3: Cross multiply
    3,584.40x = 5,376.25 × 1,117.87
  4. Step 4: Simplify right side
    3,584.40x = 6,009,948.59
  5. Step 5: Solve for x
    x = 6,009,948.59/3,584.40
  6. Step 6: Final answer
    x = 1,676.70

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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.