Home / 3,561.04-4,913.64-2,069.20

Finding the Fourth Proportional to 3,561.04, 4,913.64 and 2,069.20

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Solution

The fourth proportional to 3,561.04, 4,913.64 and 2,069.20 is: 2,855.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.04 : 4,913.64 = 2,069.20 : x
  2. Step 2: Convert to fraction form
    3,561.04/4,913.64 = 2,069.20/x
  3. Step 3: Cross multiply
    3,561.04x = 4,913.64 × 2,069.20
  4. Step 4: Simplify right side
    3,561.04x = 10,167,303.89
  5. Step 5: Solve for x
    x = 10,167,303.89/3,561.04
  6. Step 6: Final answer
    x = 2,855.15

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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.