Home / 2,019.71-2,787.23-1,514.68

Finding the Fourth Proportional to 2,019.71, 2,787.23 and 1,514.68

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Solution

The fourth proportional to 2,019.71, 2,787.23 and 1,514.68 is: 2,090.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019.71 : 2,787.23 = 1,514.68 : x
  2. Step 2: Convert to fraction form
    2,019.71/2,787.23 = 1,514.68/x
  3. Step 3: Cross multiply
    2,019.71x = 2,787.23 × 1,514.68
  4. Step 4: Simplify right side
    2,019.71x = 4,221,758.36
  5. Step 5: Solve for x
    x = 4,221,758.36/2,019.71
  6. Step 6: Final answer
    x = 2,090.28

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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.