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Finding the Fourth Proportional to 2,886.46, 4,336.62 and 1,848.47

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Solution

The fourth proportional to 2,886.46, 4,336.62 and 1,848.47 is: 2,777.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886.46 : 4,336.62 = 1,848.47 : x
  2. Step 2: Convert to fraction form
    2,886.46/4,336.62 = 1,848.47/x
  3. Step 3: Cross multiply
    2,886.46x = 4,336.62 × 1,848.47
  4. Step 4: Simplify right side
    2,886.46x = 8,016,122.81
  5. Step 5: Solve for x
    x = 8,016,122.81/2,886.46
  6. Step 6: Final answer
    x = 2,777.15

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1.5x scale

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.