Home / 3,488.40-5,233.88-1,615.19

Finding the Fourth Proportional to 3,488.40, 5,233.88 and 1,615.19

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Solution

The fourth proportional to 3,488.40, 5,233.88 and 1,615.19 is: 2,423.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488.40 : 5,233.88 = 1,615.19 : x
  2. Step 2: Convert to fraction form
    3,488.40/5,233.88 = 1,615.19/x
  3. Step 3: Cross multiply
    3,488.40x = 5,233.88 × 1,615.19
  4. Step 4: Simplify right side
    3,488.40x = 8,453,676.39
  5. Step 5: Solve for x
    x = 8,453,676.39/3,488.40
  6. Step 6: Final answer
    x = 2,423.37

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1.5x scale

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.