Home / 1,480.10-2,217.90-1,186.52

Finding the Fourth Proportional to 1,480.10, 2,217.90 and 1,186.52

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Solution

The fourth proportional to 1,480.10, 2,217.90 and 1,186.52 is: 1,777.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480.10 : 2,217.90 = 1,186.52 : x
  2. Step 2: Convert to fraction form
    1,480.10/2,217.90 = 1,186.52/x
  3. Step 3: Cross multiply
    1,480.10x = 2,217.90 × 1,186.52
  4. Step 4: Simplify right side
    1,480.10x = 2,631,582.71
  5. Step 5: Solve for x
    x = 2,631,582.71/1,480.10
  6. Step 6: Final answer
    x = 1,777.98

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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.