Home / 3,260.10-4,890.02-1,869.12

Finding the Fourth Proportional to 3,260.10, 4,890.02 and 1,869.12

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Solution

The fourth proportional to 3,260.10, 4,890.02 and 1,869.12 is: 2,803.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.10 : 4,890.02 = 1,869.12 : x
  2. Step 2: Convert to fraction form
    3,260.10/4,890.02 = 1,869.12/x
  3. Step 3: Cross multiply
    3,260.10x = 4,890.02 × 1,869.12
  4. Step 4: Simplify right side
    3,260.10x = 9,140,034.18
  5. Step 5: Solve for x
    x = 9,140,034.18/3,260.10
  6. Step 6: Final answer
    x = 2,803.61

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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.