Home / 2,949.24-4,070.32-1,690.48

Finding the Fourth Proportional to 2,949.24, 4,070.32 and 1,690.48

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Solution

The fourth proportional to 2,949.24, 4,070.32 and 1,690.48 is: 2,333.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.24 : 4,070.32 = 1,690.48 : x
  2. Step 2: Convert to fraction form
    2,949.24/4,070.32 = 1,690.48/x
  3. Step 3: Cross multiply
    2,949.24x = 4,070.32 × 1,690.48
  4. Step 4: Simplify right side
    2,949.24x = 6,880,794.55
  5. Step 5: Solve for x
    x = 6,880,794.55/2,949.24
  6. Step 6: Final answer
    x = 2,333.07

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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.