Home / 3,054.47-4,214.36-1,876.21

Finding the Fourth Proportional to 3,054.47, 4,214.36 and 1,876.21

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Solution

The fourth proportional to 3,054.47, 4,214.36 and 1,876.21 is: 2,588.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,054.47 : 4,214.36 = 1,876.21 : x
  2. Step 2: Convert to fraction form
    3,054.47/4,214.36 = 1,876.21/x
  3. Step 3: Cross multiply
    3,054.47x = 4,214.36 × 1,876.21
  4. Step 4: Simplify right side
    3,054.47x = 7,907,018.53
  5. Step 5: Solve for x
    x = 7,907,018.53/3,054.47
  6. Step 6: Final answer
    x = 2,588.68

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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.