Home / 4,278.96-5,905.44-2,511

Finding the Fourth Proportional to 4,278.96, 5,905.44 and 2,511

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Solution

The fourth proportional to 4,278.96, 5,905.44 and 2,511 is: 3,465.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.96 : 5,905.44 = 2,511 : x
  2. Step 2: Convert to fraction form
    4,278.96/5,905.44 = 2,511/x
  3. Step 3: Cross multiply
    4,278.96x = 5,905.44 × 2,511
  4. Step 4: Simplify right side
    4,278.96x = 14,828,559.84
  5. Step 5: Solve for x
    x = 14,828,559.84/4,278.96
  6. Step 6: Final answer
    x = 3,465.46

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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.