Home / 3,647.45-5,033.60-2,075.64

Finding the Fourth Proportional to 3,647.45, 5,033.60 and 2,075.64

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Solution

The fourth proportional to 3,647.45, 5,033.60 and 2,075.64 is: 2,864.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,647.45 : 5,033.60 = 2,075.64 : x
  2. Step 2: Convert to fraction form
    3,647.45/5,033.60 = 2,075.64/x
  3. Step 3: Cross multiply
    3,647.45x = 5,033.60 × 2,075.64
  4. Step 4: Simplify right side
    3,647.45x = 10,447,931.13
  5. Step 5: Solve for x
    x = 10,447,931.13/3,647.45
  6. Step 6: Final answer
    x = 2,864.45

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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.