Home / 2,558.28-3,532.14-1,720.23

Finding the Fourth Proportional to 2,558.28, 3,532.14 and 1,720.23

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Solution

The fourth proportional to 2,558.28, 3,532.14 and 1,720.23 is: 2,375.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558.28 : 3,532.14 = 1,720.23 : x
  2. Step 2: Convert to fraction form
    2,558.28/3,532.14 = 1,720.23/x
  3. Step 3: Cross multiply
    2,558.28x = 3,532.14 × 1,720.23
  4. Step 4: Simplify right side
    2,558.28x = 6,076,093.19
  5. Step 5: Solve for x
    x = 6,076,093.19/2,558.28
  6. Step 6: Final answer
    x = 2,375.07

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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.