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Finding the Fourth Proportional to 1,881.48, 2,808.76 and 1,635.52

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Solution

The fourth proportional to 1,881.48, 2,808.76 and 1,635.52 is: 2,441.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881.48 : 2,808.76 = 1,635.52 : x
  2. Step 2: Convert to fraction form
    1,881.48/2,808.76 = 1,635.52/x
  3. Step 3: Cross multiply
    1,881.48x = 2,808.76 × 1,635.52
  4. Step 4: Simplify right side
    1,881.48x = 4,593,783.16
  5. Step 5: Solve for x
    x = 4,593,783.16/1,881.48
  6. Step 6: Final answer
    x = 2,441.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.