Home / 2,717.10-4,075.73-1,331.55

Finding the Fourth Proportional to 2,717.10, 4,075.73 and 1,331.55

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Solution

The fourth proportional to 2,717.10, 4,075.73 and 1,331.55 is: 1,997.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.10 : 4,075.73 = 1,331.55 : x
  2. Step 2: Convert to fraction form
    2,717.10/4,075.73 = 1,331.55/x
  3. Step 3: Cross multiply
    2,717.10x = 4,075.73 × 1,331.55
  4. Step 4: Simplify right side
    2,717.10x = 5,427,038.28
  5. Step 5: Solve for x
    x = 5,427,038.28/2,717.10
  6. Step 6: Final answer
    x = 1,997.36

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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.