Home / 1,953.07-2,695.53-1,245.22

Finding the Fourth Proportional to 1,953.07, 2,695.53 and 1,245.22

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Solution

The fourth proportional to 1,953.07, 2,695.53 and 1,245.22 is: 1,718.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953.07 : 2,695.53 = 1,245.22 : x
  2. Step 2: Convert to fraction form
    1,953.07/2,695.53 = 1,245.22/x
  3. Step 3: Cross multiply
    1,953.07x = 2,695.53 × 1,245.22
  4. Step 4: Simplify right side
    1,953.07x = 3,356,514.39
  5. Step 5: Solve for x
    x = 3,356,514.39/1,953.07
  6. Step 6: Final answer
    x = 1,718.59

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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.