Home / 3,112.83-4,670.61-1,652.10

Finding the Fourth Proportional to 3,112.83, 4,670.61 and 1,652.10

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Solution

The fourth proportional to 3,112.83, 4,670.61 and 1,652.10 is: 2,478.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.83 : 4,670.61 = 1,652.10 : x
  2. Step 2: Convert to fraction form
    3,112.83/4,670.61 = 1,652.10/x
  3. Step 3: Cross multiply
    3,112.83x = 4,670.61 × 1,652.10
  4. Step 4: Simplify right side
    3,112.83x = 7,716,300.36
  5. Step 5: Solve for x
    x = 7,716,300.36/3,112.83
  6. Step 6: Final answer
    x = 2,478.87

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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.