Home / 1,848.64-2,778.90-1,487.44

Finding the Fourth Proportional to 1,848.64, 2,778.90 and 1,487.44

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Solution

The fourth proportional to 1,848.64, 2,778.90 and 1,487.44 is: 2,235.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.64 : 2,778.90 = 1,487.44 : x
  2. Step 2: Convert to fraction form
    1,848.64/2,778.90 = 1,487.44/x
  3. Step 3: Cross multiply
    1,848.64x = 2,778.90 × 1,487.44
  4. Step 4: Simplify right side
    1,848.64x = 4,133,447.02
  5. Step 5: Solve for x
    x = 4,133,447.02/1,848.64
  6. Step 6: Final answer
    x = 2,235.94

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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.