Home / 3,873.34-5,343.60-2,545.30

Finding the Fourth Proportional to 3,873.34, 5,343.60 and 2,545.30

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Solution

The fourth proportional to 3,873.34, 5,343.60 and 2,545.30 is: 3,511.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873.34 : 5,343.60 = 2,545.30 : x
  2. Step 2: Convert to fraction form
    3,873.34/5,343.60 = 2,545.30/x
  3. Step 3: Cross multiply
    3,873.34x = 5,343.60 × 2,545.30
  4. Step 4: Simplify right side
    3,873.34x = 13,601,065.08
  5. Step 5: Solve for x
    x = 13,601,065.08/3,873.34
  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.