Home / 2,905.44-4,360.28-2,176.98

Finding the Fourth Proportional to 2,905.44, 4,360.28 and 2,176.98

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Solution

The fourth proportional to 2,905.44, 4,360.28 and 2,176.98 is: 3,267.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.44 : 4,360.28 = 2,176.98 : x
  2. Step 2: Convert to fraction form
    2,905.44/4,360.28 = 2,176.98/x
  3. Step 3: Cross multiply
    2,905.44x = 4,360.28 × 2,176.98
  4. Step 4: Simplify right side
    2,905.44x = 9,492,231.47
  5. Step 5: Solve for x
    x = 9,492,231.47/2,905.44
  6. Step 6: Final answer
    x = 3,267.05

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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.