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Finding the Fourth Proportional to 1,483.35, 2,220.35 and 1,326.81

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Solution

The fourth proportional to 1,483.35, 2,220.35 and 1,326.81 is: 1,986.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483.35 : 2,220.35 = 1,326.81 : x
  2. Step 2: Convert to fraction form
    1,483.35/2,220.35 = 1,326.81/x
  3. Step 3: Cross multiply
    1,483.35x = 2,220.35 × 1,326.81
  4. Step 4: Simplify right side
    1,483.35x = 2,945,984.28
  5. Step 5: Solve for x
    x = 2,945,984.28/1,483.35
  6. Step 6: Final answer
    x = 1,986.04

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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.