Home / 1,869.50-2,804.26-570.97

Finding the Fourth Proportional to 1,869.50, 2,804.26 and 570.97

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Solution

The fourth proportional to 1,869.50, 2,804.26 and 570.97 is: 856.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869.50 : 2,804.26 = 570.97 : x
  2. Step 2: Convert to fraction form
    1,869.50/2,804.26 = 570.97/x
  3. Step 3: Cross multiply
    1,869.50x = 2,804.26 × 570.97
  4. Step 4: Simplify right side
    1,869.50x = 1,601,148.33
  5. Step 5: Solve for x
    x = 1,601,148.33/1,869.50
  6. Step 6: Final answer
    x = 856.46

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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.