Home / 3,140.29-4,706.52-2,749.35

Finding the Fourth Proportional to 3,140.29, 4,706.52 and 2,749.35

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Solution

The fourth proportional to 3,140.29, 4,706.52 and 2,749.35 is: 4,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.29 : 4,706.52 = 2,749.35 : x
  2. Step 2: Convert to fraction form
    3,140.29/4,706.52 = 2,749.35/x
  3. Step 3: Cross multiply
    3,140.29x = 4,706.52 × 2,749.35
  4. Step 4: Simplify right side
    3,140.29x = 12,939,870.76
  5. Step 5: Solve for x
    x = 12,939,870.76/3,140.29
  6. Step 6: Final answer
    x = 4,120.60

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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.