Home / 2,290.42-3,436.14-730.51

Finding the Fourth Proportional to 2,290.42, 3,436.14 and 730.51

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Solution

The fourth proportional to 2,290.42, 3,436.14 and 730.51 is: 1,095.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290.42 : 3,436.14 = 730.51 : x
  2. Step 2: Convert to fraction form
    2,290.42/3,436.14 = 730.51/x
  3. Step 3: Cross multiply
    2,290.42x = 3,436.14 × 730.51
  4. Step 4: Simplify right side
    2,290.42x = 2,510,134.63
  5. Step 5: Solve for x
    x = 2,510,134.63/2,290.42
  6. Step 6: Final answer
    x = 1,095.93

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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.