Home / 2,032.12-2,805.69-1,276.22

Finding the Fourth Proportional to 2,032.12, 2,805.69 and 1,276.22

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Solution

The fourth proportional to 2,032.12, 2,805.69 and 1,276.22 is: 1,762.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,032.12 : 2,805.69 = 1,276.22 : x
  2. Step 2: Convert to fraction form
    2,032.12/2,805.69 = 1,276.22/x
  3. Step 3: Cross multiply
    2,032.12x = 2,805.69 × 1,276.22
  4. Step 4: Simplify right side
    2,032.12x = 3,580,657.28
  5. Step 5: Solve for x
    x = 3,580,657.28/2,032.12
  6. Step 6: Final answer
    x = 1,762.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.