Home / 1,919.93-2,869.25-1,545.62

Finding the Fourth Proportional to 1,919.93, 2,869.25 and 1,545.62

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Solution

The fourth proportional to 1,919.93, 2,869.25 and 1,545.62 is: 2,309.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919.93 : 2,869.25 = 1,545.62 : x
  2. Step 2: Convert to fraction form
    1,919.93/2,869.25 = 1,545.62/x
  3. Step 3: Cross multiply
    1,919.93x = 2,869.25 × 1,545.62
  4. Step 4: Simplify right side
    1,919.93x = 4,434,748.11
  5. Step 5: Solve for x
    x = 4,434,748.11/1,919.93
  6. Step 6: Final answer
    x = 2,309.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.