Home / 2,955.80-4,436.14-2,095.58

Finding the Fourth Proportional to 2,955.80, 4,436.14 and 2,095.58

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Solution

The fourth proportional to 2,955.80, 4,436.14 and 2,095.58 is: 3,145.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.80 : 4,436.14 = 2,095.58 : x
  2. Step 2: Convert to fraction form
    2,955.80/4,436.14 = 2,095.58/x
  3. Step 3: Cross multiply
    2,955.80x = 4,436.14 × 2,095.58
  4. Step 4: Simplify right side
    2,955.80x = 9,296,286.26
  5. Step 5: Solve for x
    x = 9,296,286.26/2,955.80
  6. Step 6: Final answer
    x = 3,145.10

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1.5x scale

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.