Home / 1,579.56-2,173.38-1,541.16

Finding the Fourth Proportional to 1,579.56, 2,173.38 and 1,541.16

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Solution

The fourth proportional to 1,579.56, 2,173.38 and 1,541.16 is: 2,120.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579.56 : 2,173.38 = 1,541.16 : x
  2. Step 2: Convert to fraction form
    1,579.56/2,173.38 = 1,541.16/x
  3. Step 3: Cross multiply
    1,579.56x = 2,173.38 × 1,541.16
  4. Step 4: Simplify right side
    1,579.56x = 3,349,526.32
  5. Step 5: Solve for x
    x = 3,349,526.32/1,579.56
  6. Step 6: Final answer
    x = 2,120.54

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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.