Home / 3,641.50-5,453.64-2,320.54

Finding the Fourth Proportional to 3,641.50, 5,453.64 and 2,320.54

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Solution

The fourth proportional to 3,641.50, 5,453.64 and 2,320.54 is: 3,475.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,641.50 : 5,453.64 = 2,320.54 : x
  2. Step 2: Convert to fraction form
    3,641.50/5,453.64 = 2,320.54/x
  3. Step 3: Cross multiply
    3,641.50x = 5,453.64 × 2,320.54
  4. Step 4: Simplify right side
    3,641.50x = 12,655,389.77
  5. Step 5: Solve for x
    x = 12,655,389.77/3,641.50
  6. Step 6: Final answer
    x = 3,475.32

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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.