Home / 3,945.24-5,444.28-2,547.99

Finding the Fourth Proportional to 3,945.24, 5,444.28 and 2,547.99

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Solution

The fourth proportional to 3,945.24, 5,444.28 and 2,547.99 is: 3,516.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945.24 : 5,444.28 = 2,547.99 : x
  2. Step 2: Convert to fraction form
    3,945.24/5,444.28 = 2,547.99/x
  3. Step 3: Cross multiply
    3,945.24x = 5,444.28 × 2,547.99
  4. Step 4: Simplify right side
    3,945.24x = 13,871,971.00
  5. Step 5: Solve for x
    x = 13,871,971.00/3,945.24
  6. Step 6: Final answer
    x = 3,516.13

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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.