Home / 2,709.19-4,045.70-2,570.81

Finding the Fourth Proportional to 2,709.19, 4,045.70 and 2,570.81

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Solution

The fourth proportional to 2,709.19, 4,045.70 and 2,570.81 is: 3,839.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709.19 : 4,045.70 = 2,570.81 : x
  2. Step 2: Convert to fraction form
    2,709.19/4,045.70 = 2,570.81/x
  3. Step 3: Cross multiply
    2,709.19x = 4,045.70 × 2,570.81
  4. Step 4: Simplify right side
    2,709.19x = 10,400,705.79
  5. Step 5: Solve for x
    x = 10,400,705.79/2,709.19
  6. Step 6: Final answer
    x = 3,839.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.