Home / 3,504.30-5,256.48-1,423.68

Finding the Fourth Proportional to 3,504.30, 5,256.48 and 1,423.68

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Solution

The fourth proportional to 3,504.30, 5,256.48 and 1,423.68 is: 2,135.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,504.30 : 5,256.48 = 1,423.68 : x
  2. Step 2: Convert to fraction form
    3,504.30/5,256.48 = 1,423.68/x
  3. Step 3: Cross multiply
    3,504.30x = 5,256.48 × 1,423.68
  4. Step 4: Simplify right side
    3,504.30x = 7,483,545.45
  5. Step 5: Solve for x
    x = 7,483,545.45/3,504.30
  6. Step 6: Final answer
    x = 2,135.53

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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.