Home / 3,637.19-5,455.47-1,445.33

Finding the Fourth Proportional to 3,637.19, 5,455.47 and 1,445.33

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Solution

The fourth proportional to 3,637.19, 5,455.47 and 1,445.33 is: 2,167.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.19 : 5,455.47 = 1,445.33 : x
  2. Step 2: Convert to fraction form
    3,637.19/5,455.47 = 1,445.33/x
  3. Step 3: Cross multiply
    3,637.19x = 5,455.47 × 1,445.33
  4. Step 4: Simplify right side
    3,637.19x = 7,884,927.18
  5. Step 5: Solve for x
    x = 7,884,927.18/3,637.19
  6. Step 6: Final answer
    x = 2,167.87

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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.