Home / 3,045.14-4,566.38-1,290.90

Finding the Fourth Proportional to 3,045.14, 4,566.38 and 1,290.90

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Solution

The fourth proportional to 3,045.14, 4,566.38 and 1,290.90 is: 1,935.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.14 : 4,566.38 = 1,290.90 : x
  2. Step 2: Convert to fraction form
    3,045.14/4,566.38 = 1,290.90/x
  3. Step 3: Cross multiply
    3,045.14x = 4,566.38 × 1,290.90
  4. Step 4: Simplify right side
    3,045.14x = 5,894,733.49
  5. Step 5: Solve for x
    x = 5,894,733.49/3,045.14
  6. Step 6: Final answer
    x = 1,935.79

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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.