Home / 4,180.89-6,271.88-1,259.49

Finding the Fourth Proportional to 4,180.89, 6,271.88 and 1,259.49

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Solution

The fourth proportional to 4,180.89, 6,271.88 and 1,259.49 is: 1,889.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.89 : 6,271.88 = 1,259.49 : x
  2. Step 2: Convert to fraction form
    4,180.89/6,271.88 = 1,259.49/x
  3. Step 3: Cross multiply
    4,180.89x = 6,271.88 × 1,259.49
  4. Step 4: Simplify right side
    4,180.89x = 7,899,363.84
  5. Step 5: Solve for x
    x = 7,899,363.84/4,180.89
  6. Step 6: Final answer
    x = 1,889.40

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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.