Home / 2,545.84-3,818.31-1,158.85

Finding the Fourth Proportional to 2,545.84, 3,818.31 and 1,158.85

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Solution

The fourth proportional to 2,545.84, 3,818.31 and 1,158.85 is: 1,738.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545.84 : 3,818.31 = 1,158.85 : x
  2. Step 2: Convert to fraction form
    2,545.84/3,818.31 = 1,158.85/x
  3. Step 3: Cross multiply
    2,545.84x = 3,818.31 × 1,158.85
  4. Step 4: Simplify right side
    2,545.84x = 4,424,848.54
  5. Step 5: Solve for x
    x = 4,424,848.54/2,545.84
  6. Step 6: Final answer
    x = 1,738.07

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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.