Home / 3,845.18-5,298.64-2,664.20

Finding the Fourth Proportional to 3,845.18, 5,298.64 and 2,664.20

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Solution

The fourth proportional to 3,845.18, 5,298.64 and 2,664.20 is: 3,671.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.18 : 5,298.64 = 2,664.20 : x
  2. Step 2: Convert to fraction form
    3,845.18/5,298.64 = 2,664.20/x
  3. Step 3: Cross multiply
    3,845.18x = 5,298.64 × 2,664.20
  4. Step 4: Simplify right side
    3,845.18x = 14,116,643.27
  5. Step 5: Solve for x
    x = 14,116,643.27/3,845.18
  6. Step 6: Final answer
    x = 3,671.25

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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.