Home / 2,918.52-4,026.02-1,738.84

Finding the Fourth Proportional to 2,918.52, 4,026.02 and 1,738.84

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Solution

The fourth proportional to 2,918.52, 4,026.02 and 1,738.84 is: 2,398.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.52 : 4,026.02 = 1,738.84 : x
  2. Step 2: Convert to fraction form
    2,918.52/4,026.02 = 1,738.84/x
  3. Step 3: Cross multiply
    2,918.52x = 4,026.02 × 1,738.84
  4. Step 4: Simplify right side
    2,918.52x = 7,000,604.62
  5. Step 5: Solve for x
    x = 7,000,604.62/2,918.52
  6. Step 6: Final answer
    x = 2,398.68

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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.