Home / 3,624.20-5,429.10-2,457.80

Finding the Fourth Proportional to 3,624.20, 5,429.10 and 2,457.80

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Solution

The fourth proportional to 3,624.20, 5,429.10 and 2,457.80 is: 3,681.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,624.20 : 5,429.10 = 2,457.80 : x
  2. Step 2: Convert to fraction form
    3,624.20/5,429.10 = 2,457.80/x
  3. Step 3: Cross multiply
    3,624.20x = 5,429.10 × 2,457.80
  4. Step 4: Simplify right side
    3,624.20x = 13,343,641.98
  5. Step 5: Solve for x
    x = 13,343,641.98/3,624.20
  6. Step 6: Final answer
    x = 3,681.82

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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.