Home / 1,845.69-2,547-1,006.39

Finding the Fourth Proportional to 1,845.69, 2,547 and 1,006.39

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Solution

The fourth proportional to 1,845.69, 2,547 and 1,006.39 is: 1,388.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.69 : 2,547 = 1,006.39 : x
  2. Step 2: Convert to fraction form
    1,845.69/2,547 = 1,006.39/x
  3. Step 3: Cross multiply
    1,845.69x = 2,547 × 1,006.39
  4. Step 4: Simplify right side
    1,845.69x = 2,563,278.51
  5. Step 5: Solve for x
    x = 2,563,278.51/1,845.69
  6. Step 6: Final answer
    x = 1,388.79

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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.