Home / 2,656.23-3,984.48-1,012.47

Finding the Fourth Proportional to 2,656.23, 3,984.48 and 1,012.47

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Solution

The fourth proportional to 2,656.23, 3,984.48 and 1,012.47 is: 1,518.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,656.23 : 3,984.48 = 1,012.47 : x
  2. Step 2: Convert to fraction form
    2,656.23/3,984.48 = 1,012.47/x
  3. Step 3: Cross multiply
    2,656.23x = 3,984.48 × 1,012.47
  4. Step 4: Simplify right side
    2,656.23x = 4,034,166.47
  5. Step 5: Solve for x
    x = 4,034,166.47/2,656.23
  6. Step 6: Final answer
    x = 1,518.76

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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.