Home / 3,945.49-5,918.51-2,387.23

Finding the Fourth Proportional to 3,945.49, 5,918.51 and 2,387.23

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Solution

The fourth proportional to 3,945.49, 5,918.51 and 2,387.23 is: 3,581.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945.49 : 5,918.51 = 2,387.23 : x
  2. Step 2: Convert to fraction form
    3,945.49/5,918.51 = 2,387.23/x
  3. Step 3: Cross multiply
    3,945.49x = 5,918.51 × 2,387.23
  4. Step 4: Simplify right side
    3,945.49x = 14,128,844.63
  5. Step 5: Solve for x
    x = 14,128,844.63/3,945.49
  6. Step 6: Final answer
    x = 3,581.01

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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.