Home / 1,673.08-2,508.99-1,209.46

Finding the Fourth Proportional to 1,673.08, 2,508.99 and 1,209.46

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Solution

The fourth proportional to 1,673.08, 2,508.99 and 1,209.46 is: 1,813.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673.08 : 2,508.99 = 1,209.46 : x
  2. Step 2: Convert to fraction form
    1,673.08/2,508.99 = 1,209.46/x
  3. Step 3: Cross multiply
    1,673.08x = 2,508.99 × 1,209.46
  4. Step 4: Simplify right side
    1,673.08x = 3,034,510.50
  5. Step 5: Solve for x
    x = 3,034,510.50/1,673.08
  6. Step 6: Final answer
    x = 1,813.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.