Home / 1,771.42-2,669.13-1,470.03

Finding the Fourth Proportional to 1,771.42, 2,669.13 and 1,470.03

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Solution

The fourth proportional to 1,771.42, 2,669.13 and 1,470.03 is: 2,215.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771.42 : 2,669.13 = 1,470.03 : x
  2. Step 2: Convert to fraction form
    1,771.42/2,669.13 = 1,470.03/x
  3. Step 3: Cross multiply
    1,771.42x = 2,669.13 × 1,470.03
  4. Step 4: Simplify right side
    1,771.42x = 3,923,695.30
  5. Step 5: Solve for x
    x = 3,923,695.30/1,771.42
  6. Step 6: Final answer
    x = 2,215.00

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.