Home / 3,035.00-4,186.20-1,856.65

Finding the Fourth Proportional to 3,035.00, 4,186.20 and 1,856.65

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Solution

The fourth proportional to 3,035.00, 4,186.20 and 1,856.65 is: 2,560.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,035.00 : 4,186.20 = 1,856.65 : x
  2. Step 2: Convert to fraction form
    3,035.00/4,186.20 = 1,856.65/x
  3. Step 3: Cross multiply
    3,035.00x = 4,186.20 × 1,856.65
  4. Step 4: Simplify right side
    3,035.00x = 7,772,298.95
  5. Step 5: Solve for x
    x = 7,772,298.95/3,035.00
  6. Step 6: Final answer
    x = 2,560.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.