Home / 3,457.83-5,182.39-1,876.50

Finding the Fourth Proportional to 3,457.83, 5,182.39 and 1,876.50

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Solution

The fourth proportional to 3,457.83, 5,182.39 and 1,876.50 is: 2,812.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.83 : 5,182.39 = 1,876.50 : x
  2. Step 2: Convert to fraction form
    3,457.83/5,182.39 = 1,876.50/x
  3. Step 3: Cross multiply
    3,457.83x = 5,182.39 × 1,876.50
  4. Step 4: Simplify right side
    3,457.83x = 9,724,754.84
  5. Step 5: Solve for x
    x = 9,724,754.84/3,457.83
  6. Step 6: Final answer
    x = 2,812.39

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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.