Home / 2,645.06-3,648.91-1,749.15

Finding the Fourth Proportional to 2,645.06, 3,648.91 and 1,749.15

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Solution

The fourth proportional to 2,645.06, 3,648.91 and 1,749.15 is: 2,412.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645.06 : 3,648.91 = 1,749.15 : x
  2. Step 2: Convert to fraction form
    2,645.06/3,648.91 = 1,749.15/x
  3. Step 3: Cross multiply
    2,645.06x = 3,648.91 × 1,749.15
  4. Step 4: Simplify right side
    2,645.06x = 6,382,490.93
  5. Step 5: Solve for x
    x = 6,382,490.93/2,645.06
  6. Step 6: Final answer
    x = 2,412.99

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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.