Home / 2,945.60-4,395.37-2,634.88

Finding the Fourth Proportional to 2,945.60, 4,395.37 and 2,634.88

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Solution

The fourth proportional to 2,945.60, 4,395.37 and 2,634.88 is: 3,931.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.60 : 4,395.37 = 2,634.88 : x
  2. Step 2: Convert to fraction form
    2,945.60/4,395.37 = 2,634.88/x
  3. Step 3: Cross multiply
    2,945.60x = 4,395.37 × 2,634.88
  4. Step 4: Simplify right side
    2,945.60x = 11,581,272.51
  5. Step 5: Solve for x
    x = 11,581,272.51/2,945.60
  6. Step 6: Final answer
    x = 3,931.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.