Home / 1,541.28-2,313.06-1,131.48

Finding the Fourth Proportional to 1,541.28, 2,313.06 and 1,131.48

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Solution

The fourth proportional to 1,541.28, 2,313.06 and 1,131.48 is: 1,698.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541.28 : 2,313.06 = 1,131.48 : x
  2. Step 2: Convert to fraction form
    1,541.28/2,313.06 = 1,131.48/x
  3. Step 3: Cross multiply
    1,541.28x = 2,313.06 × 1,131.48
  4. Step 4: Simplify right side
    1,541.28x = 2,617,181.13
  5. Step 5: Solve for x
    x = 2,617,181.13/1,541.28
  6. Step 6: Final answer
    x = 1,698.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.