Home / 2,632.74-3,946.87-1,245.30

Finding the Fourth Proportional to 2,632.74, 3,946.87 and 1,245.30

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Solution

The fourth proportional to 2,632.74, 3,946.87 and 1,245.30 is: 1,866.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632.74 : 3,946.87 = 1,245.30 : x
  2. Step 2: Convert to fraction form
    2,632.74/3,946.87 = 1,245.30/x
  3. Step 3: Cross multiply
    2,632.74x = 3,946.87 × 1,245.30
  4. Step 4: Simplify right side
    2,632.74x = 4,915,037.21
  5. Step 5: Solve for x
    x = 4,915,037.21/2,632.74
  6. Step 6: Final answer
    x = 1,866.89

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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.