Home / 3,124.39-4,309.95-2,004.08

Finding the Fourth Proportional to 3,124.39, 4,309.95 and 2,004.08

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Solution

The fourth proportional to 3,124.39, 4,309.95 and 2,004.08 is: 2,764.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.39 : 4,309.95 = 2,004.08 : x
  2. Step 2: Convert to fraction form
    3,124.39/4,309.95 = 2,004.08/x
  3. Step 3: Cross multiply
    3,124.39x = 4,309.95 × 2,004.08
  4. Step 4: Simplify right side
    3,124.39x = 8,637,502.89
  5. Step 5: Solve for x
    x = 8,637,502.89/3,124.39
  6. Step 6: Final answer
    x = 2,764.54

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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.