Home / 3,539.09-4,881.77-2,545.70

Finding the Fourth Proportional to 3,539.09, 4,881.77 and 2,545.70

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Solution

The fourth proportional to 3,539.09, 4,881.77 and 2,545.70 is: 3,511.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.09 : 4,881.77 = 2,545.70 : x
  2. Step 2: Convert to fraction form
    3,539.09/4,881.77 = 2,545.70/x
  3. Step 3: Cross multiply
    3,539.09x = 4,881.77 × 2,545.70
  4. Step 4: Simplify right side
    3,539.09x = 12,427,484.75
  5. Step 5: Solve for x
    x = 12,427,484.75/3,539.09
  6. Step 6: Final answer
    x = 3,511.50

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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.