Home / 3,709.51-5,116.75-2,590.03

Finding the Fourth Proportional to 3,709.51, 5,116.75 and 2,590.03

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Solution

The fourth proportional to 3,709.51, 5,116.75 and 2,590.03 is: 3,572.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.51 : 5,116.75 = 2,590.03 : x
  2. Step 2: Convert to fraction form
    3,709.51/5,116.75 = 2,590.03/x
  3. Step 3: Cross multiply
    3,709.51x = 5,116.75 × 2,590.03
  4. Step 4: Simplify right side
    3,709.51x = 13,252,536.00
  5. Step 5: Solve for x
    x = 13,252,536.00/3,709.51
  6. Step 6: Final answer
    x = 3,572.58

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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.