Home / 2,913.40-4,011.74-2,609.97

Finding the Fourth Proportional to 2,913.40, 4,011.74 and 2,609.97

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Solution

The fourth proportional to 2,913.40, 4,011.74 and 2,609.97 is: 3,593.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.40 : 4,011.74 = 2,609.97 : x
  2. Step 2: Convert to fraction form
    2,913.40/4,011.74 = 2,609.97/x
  3. Step 3: Cross multiply
    2,913.40x = 4,011.74 × 2,609.97
  4. Step 4: Simplify right side
    2,913.40x = 10,470,507.51
  5. Step 5: Solve for x
    x = 10,470,507.51/2,913.40
  6. Step 6: Final answer
    x = 3,593.92

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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.