Home / 3,545.87-5,318.93-1,237.55

Finding the Fourth Proportional to 3,545.87, 5,318.93 and 1,237.55

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Solution

The fourth proportional to 3,545.87, 5,318.93 and 1,237.55 is: 1,856.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.87 : 5,318.93 = 1,237.55 : x
  2. Step 2: Convert to fraction form
    3,545.87/5,318.93 = 1,237.55/x
  3. Step 3: Cross multiply
    3,545.87x = 5,318.93 × 1,237.55
  4. Step 4: Simplify right side
    3,545.87x = 6,582,435.63
  5. Step 5: Solve for x
    x = 6,582,435.63/3,545.87
  6. Step 6: Final answer
    x = 1,856.37

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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.