Home / 1,720.15-2,563.30-1,616.26

Finding the Fourth Proportional to 1,720.15, 2,563.30 and 1,616.26

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Solution

The fourth proportional to 1,720.15, 2,563.30 and 1,616.26 is: 2,408.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720.15 : 2,563.30 = 1,616.26 : x
  2. Step 2: Convert to fraction form
    1,720.15/2,563.30 = 1,616.26/x
  3. Step 3: Cross multiply
    1,720.15x = 2,563.30 × 1,616.26
  4. Step 4: Simplify right side
    1,720.15x = 4,142,959.26
  5. Step 5: Solve for x
    x = 4,142,959.26/1,720.15
  6. Step 6: Final answer
    x = 2,408.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.