Home / 2,985.54-4,473.63-1,668.12

Finding the Fourth Proportional to 2,985.54, 4,473.63 and 1,668.12

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Solution

The fourth proportional to 2,985.54, 4,473.63 and 1,668.12 is: 2,499.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985.54 : 4,473.63 = 1,668.12 : x
  2. Step 2: Convert to fraction form
    2,985.54/4,473.63 = 1,668.12/x
  3. Step 3: Cross multiply
    2,985.54x = 4,473.63 × 1,668.12
  4. Step 4: Simplify right side
    2,985.54x = 7,462,551.68
  5. Step 5: Solve for x
    x = 7,462,551.68/2,985.54
  6. Step 6: Final answer
    x = 2,499.57

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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.