Home / 3,099.45-4,276.95-1,840.28

Finding the Fourth Proportional to 3,099.45, 4,276.95 and 1,840.28

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Solution

The fourth proportional to 3,099.45, 4,276.95 and 1,840.28 is: 2,539.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.45 : 4,276.95 = 1,840.28 : x
  2. Step 2: Convert to fraction form
    3,099.45/4,276.95 = 1,840.28/x
  3. Step 3: Cross multiply
    3,099.45x = 4,276.95 × 1,840.28
  4. Step 4: Simplify right side
    3,099.45x = 7,870,785.55
  5. Step 5: Solve for x
    x = 7,870,785.55/3,099.45
  6. Step 6: Final answer
    x = 2,539.41

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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.