Home / 2,058.45-2,841.09-1,892.40

Finding the Fourth Proportional to 2,058.45, 2,841.09 and 1,892.40

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Solution

The fourth proportional to 2,058.45, 2,841.09 and 1,892.40 is: 2,611.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058.45 : 2,841.09 = 1,892.40 : x
  2. Step 2: Convert to fraction form
    2,058.45/2,841.09 = 1,892.40/x
  3. Step 3: Cross multiply
    2,058.45x = 2,841.09 × 1,892.40
  4. Step 4: Simplify right side
    2,058.45x = 5,376,478.72
  5. Step 5: Solve for x
    x = 5,376,478.72/2,058.45
  6. Step 6: Final answer
    x = 2,611.91

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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.