Home / 1,790.56-2,686.08-1,707.52

Finding the Fourth Proportional to 1,790.56, 2,686.08 and 1,707.52

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Solution

The fourth proportional to 1,790.56, 2,686.08 and 1,707.52 is: 2,561.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790.56 : 2,686.08 = 1,707.52 : x
  2. Step 2: Convert to fraction form
    1,790.56/2,686.08 = 1,707.52/x
  3. Step 3: Cross multiply
    1,790.56x = 2,686.08 × 1,707.52
  4. Step 4: Simplify right side
    1,790.56x = 4,586,535.32
  5. Step 5: Solve for x
    x = 4,586,535.32/1,790.56
  6. Step 6: Final answer
    x = 2,561.51

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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.