Home / 3,127.51-4,688.93-1,894.62

Finding the Fourth Proportional to 3,127.51, 4,688.93 and 1,894.62

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Solution

The fourth proportional to 3,127.51, 4,688.93 and 1,894.62 is: 2,840.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.51 : 4,688.93 = 1,894.62 : x
  2. Step 2: Convert to fraction form
    3,127.51/4,688.93 = 1,894.62/x
  3. Step 3: Cross multiply
    3,127.51x = 4,688.93 × 1,894.62
  4. Step 4: Simplify right side
    3,127.51x = 8,883,745.29
  5. Step 5: Solve for x
    x = 8,883,745.29/3,127.51
  6. Step 6: Final answer
    x = 2,840.52

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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.