Home / 3,009.40-4,513.76-1,427.74

Finding the Fourth Proportional to 3,009.40, 4,513.76 and 1,427.74

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Solution

The fourth proportional to 3,009.40, 4,513.76 and 1,427.74 is: 2,141.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.40 : 4,513.76 = 1,427.74 : x
  2. Step 2: Convert to fraction form
    3,009.40/4,513.76 = 1,427.74/x
  3. Step 3: Cross multiply
    3,009.40x = 4,513.76 × 1,427.74
  4. Step 4: Simplify right side
    3,009.40x = 6,444,475.70
  5. Step 5: Solve for x
    x = 6,444,475.70/3,009.40
  6. Step 6: Final answer
    x = 2,141.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.