Home / 2,545.79-3,817.66-1,064.05

Finding the Fourth Proportional to 2,545.79, 3,817.66 and 1,064.05

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Solution

The fourth proportional to 2,545.79, 3,817.66 and 1,064.05 is: 1,595.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545.79 : 3,817.66 = 1,064.05 : x
  2. Step 2: Convert to fraction form
    2,545.79/3,817.66 = 1,064.05/x
  3. Step 3: Cross multiply
    2,545.79x = 3,817.66 × 1,064.05
  4. Step 4: Simplify right side
    2,545.79x = 4,062,181.12
  5. Step 5: Solve for x
    x = 4,062,181.12/2,545.79
  6. Step 6: Final answer
    x = 1,595.65

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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.