Home / 2,099.08-2,895.87-1,259.80

Finding the Fourth Proportional to 2,099.08, 2,895.87 and 1,259.80

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Solution

The fourth proportional to 2,099.08, 2,895.87 and 1,259.80 is: 1,738.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099.08 : 2,895.87 = 1,259.80 : x
  2. Step 2: Convert to fraction form
    2,099.08/2,895.87 = 1,259.80/x
  3. Step 3: Cross multiply
    2,099.08x = 2,895.87 × 1,259.80
  4. Step 4: Simplify right side
    2,099.08x = 3,648,202.55
  5. Step 5: Solve for x
    x = 3,648,202.55/2,099.08
  6. Step 6: Final answer
    x = 1,738.00

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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.