Home / 3,311.19-4,569.36-1,819.10

Finding the Fourth Proportional to 3,311.19, 4,569.36 and 1,819.10

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Solution

The fourth proportional to 3,311.19, 4,569.36 and 1,819.10 is: 2,510.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.19 : 4,569.36 = 1,819.10 : x
  2. Step 2: Convert to fraction form
    3,311.19/4,569.36 = 1,819.10/x
  3. Step 3: Cross multiply
    3,311.19x = 4,569.36 × 1,819.10
  4. Step 4: Simplify right side
    3,311.19x = 8,312,122.78
  5. Step 5: Solve for x
    x = 8,312,122.78/3,311.19
  6. Step 6: Final answer
    x = 2,510.31

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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.