Home / 2,946.34-4,065.96-1,620.06

Finding the Fourth Proportional to 2,946.34, 4,065.96 and 1,620.06

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Solution

The fourth proportional to 2,946.34, 4,065.96 and 1,620.06 is: 2,235.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.34 : 4,065.96 = 1,620.06 : x
  2. Step 2: Convert to fraction form
    2,946.34/4,065.96 = 1,620.06/x
  3. Step 3: Cross multiply
    2,946.34x = 4,065.96 × 1,620.06
  4. Step 4: Simplify right side
    2,946.34x = 6,587,099.16
  5. Step 5: Solve for x
    x = 6,587,099.16/2,946.34
  6. Step 6: Final answer
    x = 2,235.69

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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.