Home / 2,853.04-3,937.28-1,673.68

Finding the Fourth Proportional to 2,853.04, 3,937.28 and 1,673.68

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Solution

The fourth proportional to 2,853.04, 3,937.28 and 1,673.68 is: 2,309.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.04 : 3,937.28 = 1,673.68 : x
  2. Step 2: Convert to fraction form
    2,853.04/3,937.28 = 1,673.68/x
  3. Step 3: Cross multiply
    2,853.04x = 3,937.28 × 1,673.68
  4. Step 4: Simplify right side
    2,853.04x = 6,589,746.79
  5. Step 5: Solve for x
    x = 6,589,746.79/2,853.04
  6. Step 6: Final answer
    x = 2,309.73

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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.