Home / 3,048.90-4,207.49-1,651.65

Finding the Fourth Proportional to 3,048.90, 4,207.49 and 1,651.65

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Solution

The fourth proportional to 3,048.90, 4,207.49 and 1,651.65 is: 2,279.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.90 : 4,207.49 = 1,651.65 : x
  2. Step 2: Convert to fraction form
    3,048.90/4,207.49 = 1,651.65/x
  3. Step 3: Cross multiply
    3,048.90x = 4,207.49 × 1,651.65
  4. Step 4: Simplify right side
    3,048.90x = 6,949,300.86
  5. Step 5: Solve for x
    x = 6,949,300.86/3,048.90
  6. Step 6: Final answer
    x = 2,279.28

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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.