Home / 2,719.90-3,753.80-1,541.35

Finding the Fourth Proportional to 2,719.90, 3,753.80 and 1,541.35

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Solution

The fourth proportional to 2,719.90, 3,753.80 and 1,541.35 is: 2,127.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719.90 : 3,753.80 = 1,541.35 : x
  2. Step 2: Convert to fraction form
    2,719.90/3,753.80 = 1,541.35/x
  3. Step 3: Cross multiply
    2,719.90x = 3,753.80 × 1,541.35
  4. Step 4: Simplify right side
    2,719.90x = 5,785,908.32
  5. Step 5: Solve for x
    x = 5,785,908.32/2,719.90
  6. Step 6: Final answer
    x = 2,127.25

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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.