Home / 3,106.35-4,260.40-2,948.00

Finding the Fourth Proportional to 3,106.35, 4,260.40 and 2,948.00

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Solution

The fourth proportional to 3,106.35, 4,260.40 and 2,948.00 is: 4,043.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.35 : 4,260.40 = 2,948.00 : x
  2. Step 2: Convert to fraction form
    3,106.35/4,260.40 = 2,948.00/x
  3. Step 3: Cross multiply
    3,106.35x = 4,260.40 × 2,948.00
  4. Step 4: Simplify right side
    3,106.35x = 12,559,630.53
  5. Step 5: Solve for x
    x = 12,559,630.53/3,106.35
  6. Step 6: Final answer
    x = 4,043.21

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.