Home / 2,746.18-3,786.33-2,390.77

Finding the Fourth Proportional to 2,746.18, 3,786.33 and 2,390.77

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Solution

The fourth proportional to 2,746.18, 3,786.33 and 2,390.77 is: 3,296.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746.18 : 3,786.33 = 2,390.77 : x
  2. Step 2: Convert to fraction form
    2,746.18/3,786.33 = 2,390.77/x
  3. Step 3: Cross multiply
    2,746.18x = 3,786.33 × 2,390.77
  4. Step 4: Simplify right side
    2,746.18x = 9,052,244.17
  5. Step 5: Solve for x
    x = 9,052,244.17/2,746.18
  6. Step 6: Final answer
    x = 3,296.30

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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.