Home / 1,769.05-2,653.57-470.51

Finding the Fourth Proportional to 1,769.05, 2,653.57 and 470.51

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Solution

The fourth proportional to 1,769.05, 2,653.57 and 470.51 is: 705.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769.05 : 2,653.57 = 470.51 : x
  2. Step 2: Convert to fraction form
    1,769.05/2,653.57 = 470.51/x
  3. Step 3: Cross multiply
    1,769.05x = 2,653.57 × 470.51
  4. Step 4: Simplify right side
    1,769.05x = 1,248,540.77
  5. Step 5: Solve for x
    x = 1,248,540.77/1,769.05
  6. Step 6: Final answer
    x = 705.77

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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.