Home / 2,949.43-4,070.06-1,690.24

Finding the Fourth Proportional to 2,949.43, 4,070.06 and 1,690.24

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Solution

The fourth proportional to 2,949.43, 4,070.06 and 1,690.24 is: 2,332.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.43 : 4,070.06 = 1,690.24 : x
  2. Step 2: Convert to fraction form
    2,949.43/4,070.06 = 1,690.24/x
  3. Step 3: Cross multiply
    2,949.43x = 4,070.06 × 1,690.24
  4. Step 4: Simplify right side
    2,949.43x = 6,879,378.21
  5. Step 5: Solve for x
    x = 6,879,378.21/2,949.43
  6. Step 6: Final answer
    x = 2,332.44

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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.