Home / 2,800.02-4,200.14-1,155.62

Finding the Fourth Proportional to 2,800.02, 4,200.14 and 1,155.62

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Solution

The fourth proportional to 2,800.02, 4,200.14 and 1,155.62 is: 1,733.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800.02 : 4,200.14 = 1,155.62 : x
  2. Step 2: Convert to fraction form
    2,800.02/4,200.14 = 1,155.62/x
  3. Step 3: Cross multiply
    2,800.02x = 4,200.14 × 1,155.62
  4. Step 4: Simplify right side
    2,800.02x = 4,853,765.79
  5. Step 5: Solve for x
    x = 4,853,765.79/2,800.02
  6. Step 6: Final answer
    x = 1,733.48

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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.