Home / 3,663.65-5,055.43-2,070.12

Finding the Fourth Proportional to 3,663.65, 5,055.43 and 2,070.12

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Solution

The fourth proportional to 3,663.65, 5,055.43 and 2,070.12 is: 2,856.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,663.65 : 5,055.43 = 2,070.12 : x
  2. Step 2: Convert to fraction form
    3,663.65/5,055.43 = 2,070.12/x
  3. Step 3: Cross multiply
    3,663.65x = 5,055.43 × 2,070.12
  4. Step 4: Simplify right side
    3,663.65x = 10,465,349.04
  5. Step 5: Solve for x
    x = 10,465,349.04/3,663.65
  6. Step 6: Final answer
    x = 2,856.54

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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.