Home / 3,624.96-5,432.10-1,621.23

Finding the Fourth Proportional to 3,624.96, 5,432.10 and 1,621.23

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Solution

The fourth proportional to 3,624.96, 5,432.10 and 1,621.23 is: 2,429.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,624.96 : 5,432.10 = 1,621.23 : x
  2. Step 2: Convert to fraction form
    3,624.96/5,432.10 = 1,621.23/x
  3. Step 3: Cross multiply
    3,624.96x = 5,432.10 × 1,621.23
  4. Step 4: Simplify right side
    3,624.96x = 8,806,683.48
  5. Step 5: Solve for x
    x = 8,806,683.48/3,624.96
  6. Step 6: Final answer
    x = 2,429.46

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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.