Home / 3,483.18-5,223.56-1,402.65

Finding the Fourth Proportional to 3,483.18, 5,223.56 and 1,402.65

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Solution

The fourth proportional to 3,483.18, 5,223.56 and 1,402.65 is: 2,103.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,483.18 : 5,223.56 = 1,402.65 : x
  2. Step 2: Convert to fraction form
    3,483.18/5,223.56 = 1,402.65/x
  3. Step 3: Cross multiply
    3,483.18x = 5,223.56 × 1,402.65
  4. Step 4: Simplify right side
    3,483.18x = 7,326,819.42
  5. Step 5: Solve for x
    x = 7,326,819.42/3,483.18
  6. Step 6: Final answer
    x = 2,103.49

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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.