Home / 1,904.36-2,848.64-1,787.72

Finding the Fourth Proportional to 1,904.36, 2,848.64 and 1,787.72

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Solution

The fourth proportional to 1,904.36, 2,848.64 and 1,787.72 is: 2,674.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904.36 : 2,848.64 = 1,787.72 : x
  2. Step 2: Convert to fraction form
    1,904.36/2,848.64 = 1,787.72/x
  3. Step 3: Cross multiply
    1,904.36x = 2,848.64 × 1,787.72
  4. Step 4: Simplify right side
    1,904.36x = 5,092,564.91
  5. Step 5: Solve for x
    x = 5,092,564.91/1,904.36
  6. Step 6: Final answer
    x = 2,674.16

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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.