Home / 3,071.24-4,607.94-1,340

Finding the Fourth Proportional to 3,071.24, 4,607.94 and 1,340

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Solution

The fourth proportional to 3,071.24, 4,607.94 and 1,340 is: 2,010.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.24 : 4,607.94 = 1,340 : x
  2. Step 2: Convert to fraction form
    3,071.24/4,607.94 = 1,340/x
  3. Step 3: Cross multiply
    3,071.24x = 4,607.94 × 1,340
  4. Step 4: Simplify right side
    3,071.24x = 6,174,639.60
  5. Step 5: Solve for x
    x = 6,174,639.60/3,071.24
  6. Step 6: Final answer
    x = 2,010.47

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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.