Home / 1,480.23-2,220.89-1,206.99

Finding the Fourth Proportional to 1,480.23, 2,220.89 and 1,206.99

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Solution

The fourth proportional to 1,480.23, 2,220.89 and 1,206.99 is: 1,810.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480.23 : 2,220.89 = 1,206.99 : x
  2. Step 2: Convert to fraction form
    1,480.23/2,220.89 = 1,206.99/x
  3. Step 3: Cross multiply
    1,480.23x = 2,220.89 × 1,206.99
  4. Step 4: Simplify right side
    1,480.23x = 2,680,585.99
  5. Step 5: Solve for x
    x = 2,680,585.99/1,480.23
  6. Step 6: Final answer
    x = 1,810.93

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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.