Home / 2,410.40-3,615.60-1,491.80

Finding the Fourth Proportional to 2,410.40, 3,615.60 and 1,491.80

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Solution

The fourth proportional to 2,410.40, 3,615.60 and 1,491.80 is: 2,237.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,410.40 : 3,615.60 = 1,491.80 : x
  2. Step 2: Convert to fraction form
    2,410.40/3,615.60 = 1,491.80/x
  3. Step 3: Cross multiply
    2,410.40x = 3,615.60 × 1,491.80
  4. Step 4: Simplify right side
    2,410.40x = 5,393,752.08
  5. Step 5: Solve for x
    x = 5,393,752.08/2,410.40
  6. Step 6: Final answer
    x = 2,237.70

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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.