Home / 3,497.40-4,826.64-2,005.80

Finding the Fourth Proportional to 3,497.40, 4,826.64 and 2,005.80

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Solution

The fourth proportional to 3,497.40, 4,826.64 and 2,005.80 is: 2,768.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,497.40 : 4,826.64 = 2,005.80 : x
  2. Step 2: Convert to fraction form
    3,497.40/4,826.64 = 2,005.80/x
  3. Step 3: Cross multiply
    3,497.40x = 4,826.64 × 2,005.80
  4. Step 4: Simplify right side
    3,497.40x = 9,681,274.51
  5. Step 5: Solve for x
    x = 9,681,274.51/3,497.40
  6. Step 6: Final answer
    x = 2,768.13

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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.