Home / 3,284.51-4,905.10-2,921.63

Finding the Fourth Proportional to 3,284.51, 4,905.10 and 2,921.63

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Solution

The fourth proportional to 3,284.51, 4,905.10 and 2,921.63 is: 4,363.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,284.51 : 4,905.10 = 2,921.63 : x
  2. Step 2: Convert to fraction form
    3,284.51/4,905.10 = 2,921.63/x
  3. Step 3: Cross multiply
    3,284.51x = 4,905.10 × 2,921.63
  4. Step 4: Simplify right side
    3,284.51x = 14,330,866.44
  5. Step 5: Solve for x
    x = 14,330,866.44/3,284.51
  6. Step 6: Final answer
    x = 4,363.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.