Home / 2,848.11-3,929.35-1,785.92

Finding the Fourth Proportional to 2,848.11, 3,929.35 and 1,785.92

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Solution

The fourth proportional to 2,848.11, 3,929.35 and 1,785.92 is: 2,463.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.11 : 3,929.35 = 1,785.92 : x
  2. Step 2: Convert to fraction form
    2,848.11/3,929.35 = 1,785.92/x
  3. Step 3: Cross multiply
    2,848.11x = 3,929.35 × 1,785.92
  4. Step 4: Simplify right side
    2,848.11x = 7,017,476.18
  5. Step 5: Solve for x
    x = 7,017,476.18/2,848.11
  6. Step 6: Final answer
    x = 2,463.91

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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.