Home / 3,541.96-4,888.38-1,970.20

Finding the Fourth Proportional to 3,541.96, 4,888.38 and 1,970.20

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Solution

The fourth proportional to 3,541.96, 4,888.38 and 1,970.20 is: 2,719.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,541.96 : 4,888.38 = 1,970.20 : x
  2. Step 2: Convert to fraction form
    3,541.96/4,888.38 = 1,970.20/x
  3. Step 3: Cross multiply
    3,541.96x = 4,888.38 × 1,970.20
  4. Step 4: Simplify right side
    3,541.96x = 9,631,086.28
  5. Step 5: Solve for x
    x = 9,631,086.28/3,541.96
  6. Step 6: Final answer
    x = 2,719.14

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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.