Home / 1,739.26-2,398.57-1,613.51

Finding the Fourth Proportional to 1,739.26, 2,398.57 and 1,613.51

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Solution

The fourth proportional to 1,739.26, 2,398.57 and 1,613.51 is: 2,225.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739.26 : 2,398.57 = 1,613.51 : x
  2. Step 2: Convert to fraction form
    1,739.26/2,398.57 = 1,613.51/x
  3. Step 3: Cross multiply
    1,739.26x = 2,398.57 × 1,613.51
  4. Step 4: Simplify right side
    1,739.26x = 3,870,116.68
  5. Step 5: Solve for x
    x = 3,870,116.68/1,739.26
  6. Step 6: Final answer
    x = 2,225.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.