Home / 2,580.29-3,556.62-2,051.31

Finding the Fourth Proportional to 2,580.29, 3,556.62 and 2,051.31

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Solution

The fourth proportional to 2,580.29, 3,556.62 and 2,051.31 is: 2,827.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580.29 : 3,556.62 = 2,051.31 : x
  2. Step 2: Convert to fraction form
    2,580.29/3,556.62 = 2,051.31/x
  3. Step 3: Cross multiply
    2,580.29x = 3,556.62 × 2,051.31
  4. Step 4: Simplify right side
    2,580.29x = 7,295,730.17
  5. Step 5: Solve for x
    x = 7,295,730.17/2,580.29
  6. Step 6: Final answer
    x = 2,827.48

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1.5x scale

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.