Home / 3,051.47-4,210.79-1,707.28

Finding the Fourth Proportional to 3,051.47, 4,210.79 and 1,707.28

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Solution

The fourth proportional to 3,051.47, 4,210.79 and 1,707.28 is: 2,355.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.47 : 4,210.79 = 1,707.28 : x
  2. Step 2: Convert to fraction form
    3,051.47/4,210.79 = 1,707.28/x
  3. Step 3: Cross multiply
    3,051.47x = 4,210.79 × 1,707.28
  4. Step 4: Simplify right side
    3,051.47x = 7,188,978.49
  5. Step 5: Solve for x
    x = 7,188,978.49/3,051.47
  6. Step 6: Final answer
    x = 2,355.90

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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.