Home / 3,549.06-4,897.47-1,977.06

Finding the Fourth Proportional to 3,549.06, 4,897.47 and 1,977.06

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Solution

The fourth proportional to 3,549.06, 4,897.47 and 1,977.06 is: 2,728.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.06 : 4,897.47 = 1,977.06 : x
  2. Step 2: Convert to fraction form
    3,549.06/4,897.47 = 1,977.06/x
  3. Step 3: Cross multiply
    3,549.06x = 4,897.47 × 1,977.06
  4. Step 4: Simplify right side
    3,549.06x = 9,682,592.04
  5. Step 5: Solve for x
    x = 9,682,592.04/3,549.06
  6. Step 6: Final answer
    x = 2,728.21

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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.