Home / 3,489.94-4,814.47-2,545.41

Finding the Fourth Proportional to 3,489.94, 4,814.47 and 2,545.41

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Solution

The fourth proportional to 3,489.94, 4,814.47 and 2,545.41 is: 3,511.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.94 : 4,814.47 = 2,545.41 : x
  2. Step 2: Convert to fraction form
    3,489.94/4,814.47 = 2,545.41/x
  3. Step 3: Cross multiply
    3,489.94x = 4,814.47 × 2,545.41
  4. Step 4: Simplify right side
    3,489.94x = 12,254,800.08
  5. Step 5: Solve for x
    x = 12,254,800.08/3,489.94
  6. Step 6: Final answer
    x = 3,511.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.