Home / 1,521.18-2,098.14-1,470.38

Finding the Fourth Proportional to 1,521.18, 2,098.14 and 1,470.38

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Solution

The fourth proportional to 1,521.18, 2,098.14 and 1,470.38 is: 2,028.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521.18 : 2,098.14 = 1,470.38 : x
  2. Step 2: Convert to fraction form
    1,521.18/2,098.14 = 1,470.38/x
  3. Step 3: Cross multiply
    1,521.18x = 2,098.14 × 1,470.38
  4. Step 4: Simplify right side
    1,521.18x = 3,085,063.09
  5. Step 5: Solve for x
    x = 3,085,063.09/1,521.18
  6. Step 6: Final answer
    x = 2,028.07

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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.