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Finding the Fourth Proportional to 1,898.80, 2,847.96 and 600.40

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Solution

The fourth proportional to 1,898.80, 2,847.96 and 600.40 is: 900.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898.80 : 2,847.96 = 600.40 : x
  2. Step 2: Convert to fraction form
    1,898.80/2,847.96 = 600.40/x
  3. Step 3: Cross multiply
    1,898.80x = 2,847.96 × 600.40
  4. Step 4: Simplify right side
    1,898.80x = 1,709,915.18
  5. Step 5: Solve for x
    x = 1,709,915.18/1,898.80
  6. Step 6: Final answer
    x = 900.52

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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.