Home / 3,119.51-4,674.65-1,362.89

Finding the Fourth Proportional to 3,119.51, 4,674.65 and 1,362.89

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Solution

The fourth proportional to 3,119.51, 4,674.65 and 1,362.89 is: 2,042.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.51 : 4,674.65 = 1,362.89 : x
  2. Step 2: Convert to fraction form
    3,119.51/4,674.65 = 1,362.89/x
  3. Step 3: Cross multiply
    3,119.51x = 4,674.65 × 1,362.89
  4. Step 4: Simplify right side
    3,119.51x = 6,371,038.61
  5. Step 5: Solve for x
    x = 6,371,038.61/3,119.51
  6. Step 6: Final answer
    x = 2,042.32

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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.