Home / 3,348.30-4,620.68-1,856.13

Finding the Fourth Proportional to 3,348.30, 4,620.68 and 1,856.13

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Solution

The fourth proportional to 3,348.30, 4,620.68 and 1,856.13 is: 2,561.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.30 : 4,620.68 = 1,856.13 : x
  2. Step 2: Convert to fraction form
    3,348.30/4,620.68 = 1,856.13/x
  3. Step 3: Cross multiply
    3,348.30x = 4,620.68 × 1,856.13
  4. Step 4: Simplify right side
    3,348.30x = 8,576,563.12
  5. Step 5: Solve for x
    x = 8,576,563.12/3,348.30
  6. Step 6: Final answer
    x = 2,561.47

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.