Home / 1,782.26-2,457.27-1,151.72

Finding the Fourth Proportional to 1,782.26, 2,457.27 and 1,151.72

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Solution

The fourth proportional to 1,782.26, 2,457.27 and 1,151.72 is: 1,587.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782.26 : 2,457.27 = 1,151.72 : x
  2. Step 2: Convert to fraction form
    1,782.26/2,457.27 = 1,151.72/x
  3. Step 3: Cross multiply
    1,782.26x = 2,457.27 × 1,151.72
  4. Step 4: Simplify right side
    1,782.26x = 2,830,087.00
  5. Step 5: Solve for x
    x = 2,830,087.00/1,782.26
  6. Step 6: Final answer
    x = 1,587.92

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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.