Home / 1,707.60-2,555.93-1,151.29

Finding the Fourth Proportional to 1,707.60, 2,555.93 and 1,151.29

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Solution

The fourth proportional to 1,707.60, 2,555.93 and 1,151.29 is: 1,723.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707.60 : 2,555.93 = 1,151.29 : x
  2. Step 2: Convert to fraction form
    1,707.60/2,555.93 = 1,151.29/x
  3. Step 3: Cross multiply
    1,707.60x = 2,555.93 × 1,151.29
  4. Step 4: Simplify right side
    1,707.60x = 2,942,616.65
  5. Step 5: Solve for x
    x = 2,942,616.65/1,707.60
  6. Step 6: Final answer
    x = 1,723.25

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1.5x scale

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.