Home / 3,200.16-4,800.36-1,898.76

Finding the Fourth Proportional to 3,200.16, 4,800.36 and 1,898.76

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Solution

The fourth proportional to 3,200.16, 4,800.36 and 1,898.76 is: 2,848.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.16 : 4,800.36 = 1,898.76 : x
  2. Step 2: Convert to fraction form
    3,200.16/4,800.36 = 1,898.76/x
  3. Step 3: Cross multiply
    3,200.16x = 4,800.36 × 1,898.76
  4. Step 4: Simplify right side
    3,200.16x = 9,114,731.55
  5. Step 5: Solve for x
    x = 9,114,731.55/3,200.16
  6. Step 6: Final answer
    x = 2,848.21

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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.