Home / 3,490.83-4,817.34-2,075.22

Finding the Fourth Proportional to 3,490.83, 4,817.34 and 2,075.22

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Solution

The fourth proportional to 3,490.83, 4,817.34 and 2,075.22 is: 2,863.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.83 : 4,817.34 = 2,075.22 : x
  2. Step 2: Convert to fraction form
    3,490.83/4,817.34 = 2,075.22/x
  3. Step 3: Cross multiply
    3,490.83x = 4,817.34 × 2,075.22
  4. Step 4: Simplify right side
    3,490.83x = 9,997,040.31
  5. Step 5: Solve for x
    x = 9,997,040.31/3,490.83
  6. Step 6: Final answer
    x = 2,863.80

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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.