Home / 3,145.03-4,340.52-1,819.06

Finding the Fourth Proportional to 3,145.03, 4,340.52 and 1,819.06

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Solution

The fourth proportional to 3,145.03, 4,340.52 and 1,819.06 is: 2,510.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.03 : 4,340.52 = 1,819.06 : x
  2. Step 2: Convert to fraction form
    3,145.03/4,340.52 = 1,819.06/x
  3. Step 3: Cross multiply
    3,145.03x = 4,340.52 × 1,819.06
  4. Step 4: Simplify right side
    3,145.03x = 7,895,666.31
  5. Step 5: Solve for x
    x = 7,895,666.31/3,145.03
  6. Step 6: Final answer
    x = 2,510.52

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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.