Home / 3,629.86-5,445.55-1,130.99

Finding the Fourth Proportional to 3,629.86, 5,445.55 and 1,130.99

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Solution

The fourth proportional to 3,629.86, 5,445.55 and 1,130.99 is: 1,696.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.86 : 5,445.55 = 1,130.99 : x
  2. Step 2: Convert to fraction form
    3,629.86/5,445.55 = 1,130.99/x
  3. Step 3: Cross multiply
    3,629.86x = 5,445.55 × 1,130.99
  4. Step 4: Simplify right side
    3,629.86x = 6,158,855.28
  5. Step 5: Solve for x
    x = 6,158,855.28/3,629.86
  6. Step 6: Final answer
    x = 1,696.72

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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.