Home / 3,417.69-4,716.41-1,845.78

Finding the Fourth Proportional to 3,417.69, 4,716.41 and 1,845.78

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Solution

The fourth proportional to 3,417.69, 4,716.41 and 1,845.78 is: 2,547.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.69 : 4,716.41 = 1,845.78 : x
  2. Step 2: Convert to fraction form
    3,417.69/4,716.41 = 1,845.78/x
  3. Step 3: Cross multiply
    3,417.69x = 4,716.41 × 1,845.78
  4. Step 4: Simplify right side
    3,417.69x = 8,705,455.25
  5. Step 5: Solve for x
    x = 8,705,455.25/3,417.69
  6. Step 6: Final answer
    x = 2,547.18

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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.