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Finding the Fourth Proportional to 2,927.03, 4,390.36 and 846.99

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Solution

The fourth proportional to 2,927.03, 4,390.36 and 846.99 is: 1,270.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.03 : 4,390.36 = 846.99 : x
  2. Step 2: Convert to fraction form
    2,927.03/4,390.36 = 846.99/x
  3. Step 3: Cross multiply
    2,927.03x = 4,390.36 × 846.99
  4. Step 4: Simplify right side
    2,927.03x = 3,718,588.90
  5. Step 5: Solve for x
    x = 3,718,588.90/2,927.03
  6. Step 6: Final answer
    x = 1,270.43

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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.