Home / 3,095.79-4,270.68-1,900.35

Finding the Fourth Proportional to 3,095.79, 4,270.68 and 1,900.35

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Solution

The fourth proportional to 3,095.79, 4,270.68 and 1,900.35 is: 2,621.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,095.79 : 4,270.68 = 1,900.35 : x
  2. Step 2: Convert to fraction form
    3,095.79/4,270.68 = 1,900.35/x
  3. Step 3: Cross multiply
    3,095.79x = 4,270.68 × 1,900.35
  4. Step 4: Simplify right side
    3,095.79x = 8,115,786.74
  5. Step 5: Solve for x
    x = 8,115,786.74/3,095.79
  6. Step 6: Final answer
    x = 2,621.56

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1.5x scale

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.