Home / 3,690.83-5,538.53-1,499.58

Finding the Fourth Proportional to 3,690.83, 5,538.53 and 1,499.58

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Solution

The fourth proportional to 3,690.83, 5,538.53 and 1,499.58 is: 2,250.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.83 : 5,538.53 = 1,499.58 : x
  2. Step 2: Convert to fraction form
    3,690.83/5,538.53 = 1,499.58/x
  3. Step 3: Cross multiply
    3,690.83x = 5,538.53 × 1,499.58
  4. Step 4: Simplify right side
    3,690.83x = 8,305,461.32
  5. Step 5: Solve for x
    x = 8,305,461.32/3,690.83
  6. Step 6: Final answer
    x = 2,250.30

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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.