Home / 1,819.19-2,510.24-1,022.55

Finding the Fourth Proportional to 1,819.19, 2,510.24 and 1,022.55

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Solution

The fourth proportional to 1,819.19, 2,510.24 and 1,022.55 is: 1,410.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819.19 : 2,510.24 = 1,022.55 : x
  2. Step 2: Convert to fraction form
    1,819.19/2,510.24 = 1,022.55/x
  3. Step 3: Cross multiply
    1,819.19x = 2,510.24 × 1,022.55
  4. Step 4: Simplify right side
    1,819.19x = 2,566,840.80
  5. Step 5: Solve for x
    x = 2,566,840.80/1,819.19
  6. Step 6: Final answer
    x = 1,410.98

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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.