Home / 1,445.08-2,166.84-750.03

Finding the Fourth Proportional to 1,445.08, 2,166.84 and 750.03

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Solution

The fourth proportional to 1,445.08, 2,166.84 and 750.03 is: 1,124.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445.08 : 2,166.84 = 750.03 : x
  2. Step 2: Convert to fraction form
    1,445.08/2,166.84 = 750.03/x
  3. Step 3: Cross multiply
    1,445.08x = 2,166.84 × 750.03
  4. Step 4: Simplify right side
    1,445.08x = 1,625,195.01
  5. Step 5: Solve for x
    x = 1,625,195.01/1,445.08
  6. Step 6: Final answer
    x = 1,124.64

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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.