Home / 1,828.87-2,740.06-1,248.91

Finding the Fourth Proportional to 1,828.87, 2,740.06 and 1,248.91

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Solution

The fourth proportional to 1,828.87, 2,740.06 and 1,248.91 is: 1,871.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,828.87 : 2,740.06 = 1,248.91 : x
  2. Step 2: Convert to fraction form
    1,828.87/2,740.06 = 1,248.91/x
  3. Step 3: Cross multiply
    1,828.87x = 2,740.06 × 1,248.91
  4. Step 4: Simplify right side
    1,828.87x = 3,422,088.33
  5. Step 5: Solve for x
    x = 3,422,088.33/1,828.87
  6. Step 6: Final answer
    x = 1,871.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.