Home / 3,491.40-5,237.10-3,021.60

Finding the Fourth Proportional to 3,491.40, 5,237.10 and 3,021.60

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Solution

The fourth proportional to 3,491.40, 5,237.10 and 3,021.60 is: 4,532.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.40 : 5,237.10 = 3,021.60 : x
  2. Step 2: Convert to fraction form
    3,491.40/5,237.10 = 3,021.60/x
  3. Step 3: Cross multiply
    3,491.40x = 5,237.10 × 3,021.60
  4. Step 4: Simplify right side
    3,491.40x = 15,824,421.36
  5. Step 5: Solve for x
    x = 15,824,421.36/3,491.40
  6. Step 6: Final answer
    x = 4,532.40

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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.