Home / 3,644.04-5,027.52-2,980.68

Finding the Fourth Proportional to 3,644.04, 5,027.52 and 2,980.68

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Solution

The fourth proportional to 3,644.04, 5,027.52 and 2,980.68 is: 4,112.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,644.04 : 5,027.52 = 2,980.68 : x
  2. Step 2: Convert to fraction form
    3,644.04/5,027.52 = 2,980.68/x
  3. Step 3: Cross multiply
    3,644.04x = 5,027.52 × 2,980.68
  4. Step 4: Simplify right side
    3,644.04x = 14,985,428.31
  5. Step 5: Solve for x
    x = 14,985,428.31/3,644.04
  6. Step 6: Final answer
    x = 4,112.31

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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.