Home / 3,117.79-4,667.68-2,898.83

Finding the Fourth Proportional to 3,117.79, 4,667.68 and 2,898.83

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Solution

The fourth proportional to 3,117.79, 4,667.68 and 2,898.83 is: 4,339.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.79 : 4,667.68 = 2,898.83 : x
  2. Step 2: Convert to fraction form
    3,117.79/4,667.68 = 2,898.83/x
  3. Step 3: Cross multiply
    3,117.79x = 4,667.68 × 2,898.83
  4. Step 4: Simplify right side
    3,117.79x = 13,530,810.81
  5. Step 5: Solve for x
    x = 13,530,810.81/3,117.79
  6. Step 6: Final answer
    x = 4,339.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.