Home / 3,647.60-5,033.40-2,075.36

Finding the Fourth Proportional to 3,647.60, 5,033.40 and 2,075.36

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Solution

The fourth proportional to 3,647.60, 5,033.40 and 2,075.36 is: 2,863.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,647.60 : 5,033.40 = 2,075.36 : x
  2. Step 2: Convert to fraction form
    3,647.60/5,033.40 = 2,075.36/x
  3. Step 3: Cross multiply
    3,647.60x = 5,033.40 × 2,075.36
  4. Step 4: Simplify right side
    3,647.60x = 10,446,117.02
  5. Step 5: Solve for x
    x = 10,446,117.02/3,647.60
  6. Step 6: Final answer
    x = 2,863.83

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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.