Home / 1,617.90-2,227.58-1,470.09

Finding the Fourth Proportional to 1,617.90, 2,227.58 and 1,470.09

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Solution

The fourth proportional to 1,617.90, 2,227.58 and 1,470.09 is: 2,024.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617.90 : 2,227.58 = 1,470.09 : x
  2. Step 2: Convert to fraction form
    1,617.90/2,227.58 = 1,470.09/x
  3. Step 3: Cross multiply
    1,617.90x = 2,227.58 × 1,470.09
  4. Step 4: Simplify right side
    1,617.90x = 3,274,743.08
  5. Step 5: Solve for x
    x = 3,274,743.08/1,617.90
  6. Step 6: Final answer
    x = 2,024.07

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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.