Home / 1,730.39-2,381.74-1,447.49

Finding the Fourth Proportional to 1,730.39, 2,381.74 and 1,447.49

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Solution

The fourth proportional to 1,730.39, 2,381.74 and 1,447.49 is: 1,992.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730.39 : 2,381.74 = 1,447.49 : x
  2. Step 2: Convert to fraction form
    1,730.39/2,381.74 = 1,447.49/x
  3. Step 3: Cross multiply
    1,730.39x = 2,381.74 × 1,447.49
  4. Step 4: Simplify right side
    1,730.39x = 3,447,547.17
  5. Step 5: Solve for x
    x = 3,447,547.17/1,730.39
  6. Step 6: Final answer
    x = 1,992.36

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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.