Home / 3,071.77-4,607.26-1,405.41

Finding the Fourth Proportional to 3,071.77, 4,607.26 and 1,405.41

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Solution

The fourth proportional to 3,071.77, 4,607.26 and 1,405.41 is: 2,107.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.77 : 4,607.26 = 1,405.41 : x
  2. Step 2: Convert to fraction form
    3,071.77/4,607.26 = 1,405.41/x
  3. Step 3: Cross multiply
    3,071.77x = 4,607.26 × 1,405.41
  4. Step 4: Simplify right side
    3,071.77x = 6,475,089.28
  5. Step 5: Solve for x
    x = 6,475,089.28/3,071.77
  6. Step 6: Final answer
    x = 2,107.93

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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.