Home / 2,369.81-3,271.23-2,036.90

Finding the Fourth Proportional to 2,369.81, 3,271.23 and 2,036.90

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Solution

The fourth proportional to 2,369.81, 3,271.23 and 2,036.90 is: 2,811.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,369.81 : 3,271.23 = 2,036.90 : x
  2. Step 2: Convert to fraction form
    2,369.81/3,271.23 = 2,036.90/x
  3. Step 3: Cross multiply
    2,369.81x = 3,271.23 × 2,036.90
  4. Step 4: Simplify right side
    2,369.81x = 6,663,168.39
  5. Step 5: Solve for x
    x = 6,663,168.39/2,369.81
  6. Step 6: Final answer
    x = 2,811.69

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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.