Home / 3,598.29-5,397.39-1,408.56

Finding the Fourth Proportional to 3,598.29, 5,397.39 and 1,408.56

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Solution

The fourth proportional to 3,598.29, 5,397.39 and 1,408.56 is: 2,112.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,598.29 : 5,397.39 = 1,408.56 : x
  2. Step 2: Convert to fraction form
    3,598.29/5,397.39 = 1,408.56/x
  3. Step 3: Cross multiply
    3,598.29x = 5,397.39 × 1,408.56
  4. Step 4: Simplify right side
    3,598.29x = 7,602,547.66
  5. Step 5: Solve for x
    x = 7,602,547.66/3,598.29
  6. Step 6: Final answer
    x = 2,112.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.