Home / 2,390.91-3,296.59-2,058.76

Finding the Fourth Proportional to 2,390.91, 3,296.59 and 2,058.76

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Solution

The fourth proportional to 2,390.91, 3,296.59 and 2,058.76 is: 2,838.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390.91 : 3,296.59 = 2,058.76 : x
  2. Step 2: Convert to fraction form
    2,390.91/3,296.59 = 2,058.76/x
  3. Step 3: Cross multiply
    2,390.91x = 3,296.59 × 2,058.76
  4. Step 4: Simplify right side
    2,390.91x = 6,786,887.63
  5. Step 5: Solve for x
    x = 6,786,887.63/2,390.91
  6. Step 6: Final answer
    x = 2,838.62

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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.