Home / 1,755.42-2,424.96-1,403.68

Finding the Fourth Proportional to 1,755.42, 2,424.96 and 1,403.68

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Solution

The fourth proportional to 1,755.42, 2,424.96 and 1,403.68 is: 1,939.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755.42 : 2,424.96 = 1,403.68 : x
  2. Step 2: Convert to fraction form
    1,755.42/2,424.96 = 1,403.68/x
  3. Step 3: Cross multiply
    1,755.42x = 2,424.96 × 1,403.68
  4. Step 4: Simplify right side
    1,755.42x = 3,403,867.85
  5. Step 5: Solve for x
    x = 3,403,867.85/1,755.42
  6. Step 6: Final answer
    x = 1,939.06

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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.