Home / 3,655.49-5,038.14-2,911.91

Finding the Fourth Proportional to 3,655.49, 5,038.14 and 2,911.91

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Solution

The fourth proportional to 3,655.49, 5,038.14 and 2,911.91 is: 4,013.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.49 : 5,038.14 = 2,911.91 : x
  2. Step 2: Convert to fraction form
    3,655.49/5,038.14 = 2,911.91/x
  3. Step 3: Cross multiply
    3,655.49x = 5,038.14 × 2,911.91
  4. Step 4: Simplify right side
    3,655.49x = 14,670,585.06
  5. Step 5: Solve for x
    x = 14,670,585.06/3,655.49
  6. Step 6: Final answer
    x = 4,013.31

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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.