Home / 3,736.81-5,156.80-2,058.20

Finding the Fourth Proportional to 3,736.81, 5,156.80 and 2,058.20

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Solution

The fourth proportional to 3,736.81, 5,156.80 and 2,058.20 is: 2,840.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,736.81 : 5,156.80 = 2,058.20 : x
  2. Step 2: Convert to fraction form
    3,736.81/5,156.80 = 2,058.20/x
  3. Step 3: Cross multiply
    3,736.81x = 5,156.80 × 2,058.20
  4. Step 4: Simplify right side
    3,736.81x = 10,613,733.51
  5. Step 5: Solve for x
    x = 10,613,733.51/3,736.81
  6. Step 6: Final answer
    x = 2,840.32

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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.