Home / 1,819.55-2,510.93-1,022.90

Finding the Fourth Proportional to 1,819.55, 2,510.93 and 1,022.90

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Solution

The fourth proportional to 1,819.55, 2,510.93 and 1,022.90 is: 1,411.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819.55 : 2,510.93 = 1,022.90 : x
  2. Step 2: Convert to fraction form
    1,819.55/2,510.93 = 1,022.90/x
  3. Step 3: Cross multiply
    1,819.55x = 2,510.93 × 1,022.90
  4. Step 4: Simplify right side
    1,819.55x = 2,568,412.63
  5. Step 5: Solve for x
    x = 2,568,412.63/1,819.55
  6. Step 6: Final answer
    x = 1,411.57

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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.