Home / 3,000.09-4,499.40-1,538.49

Finding the Fourth Proportional to 3,000.09, 4,499.40 and 1,538.49

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Solution

The fourth proportional to 3,000.09, 4,499.40 and 1,538.49 is: 2,307.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.09 : 4,499.40 = 1,538.49 : x
  2. Step 2: Convert to fraction form
    3,000.09/4,499.40 = 1,538.49/x
  3. Step 3: Cross multiply
    3,000.09x = 4,499.40 × 1,538.49
  4. Step 4: Simplify right side
    3,000.09x = 6,922,281.91
  5. Step 5: Solve for x
    x = 6,922,281.91/3,000.09
  6. Step 6: Final answer
    x = 2,307.36

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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.