Home / 3,014.15-4,159.44-1,688.00

Finding the Fourth Proportional to 3,014.15, 4,159.44 and 1,688.00

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Solution

The fourth proportional to 3,014.15, 4,159.44 and 1,688.00 is: 2,329.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,014.15 : 4,159.44 = 1,688.00 : x
  2. Step 2: Convert to fraction form
    3,014.15/4,159.44 = 1,688.00/x
  3. Step 3: Cross multiply
    3,014.15x = 4,159.44 × 1,688.00
  4. Step 4: Simplify right side
    3,014.15x = 7,021,113.92
  5. Step 5: Solve for x
    x = 7,021,113.92/3,014.15
  6. Step 6: Final answer
    x = 2,329.39

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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.