Home / 3,483.61-5,225.35-1,403.56

Finding the Fourth Proportional to 3,483.61, 5,225.35 and 1,403.56

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Solution

The fourth proportional to 3,483.61, 5,225.35 and 1,403.56 is: 2,105.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,483.61 : 5,225.35 = 1,403.56 : x
  2. Step 2: Convert to fraction form
    3,483.61/5,225.35 = 1,403.56/x
  3. Step 3: Cross multiply
    3,483.61x = 5,225.35 × 1,403.56
  4. Step 4: Simplify right side
    3,483.61x = 7,334,092.25
  5. Step 5: Solve for x
    x = 7,334,092.25/3,483.61
  6. Step 6: Final answer
    x = 2,105.32

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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.