Home / 2,656.61-3,984.77-1,013.33

Finding the Fourth Proportional to 2,656.61, 3,984.77 and 1,013.33

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Solution

The fourth proportional to 2,656.61, 3,984.77 and 1,013.33 is: 1,519.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,656.61 : 3,984.77 = 1,013.33 : x
  2. Step 2: Convert to fraction form
    2,656.61/3,984.77 = 1,013.33/x
  3. Step 3: Cross multiply
    2,656.61x = 3,984.77 × 1,013.33
  4. Step 4: Simplify right side
    2,656.61x = 4,037,861.99
  5. Step 5: Solve for x
    x = 4,037,861.99/2,656.61
  6. Step 6: Final answer
    x = 1,519.93

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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.