Home / 2,312.24-3,188.61-2,079.77

Finding the Fourth Proportional to 2,312.24, 3,188.61 and 2,079.77

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Solution

The fourth proportional to 2,312.24, 3,188.61 and 2,079.77 is: 2,868.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312.24 : 3,188.61 = 2,079.77 : x
  2. Step 2: Convert to fraction form
    2,312.24/3,188.61 = 2,079.77/x
  3. Step 3: Cross multiply
    2,312.24x = 3,188.61 × 2,079.77
  4. Step 4: Simplify right side
    2,312.24x = 6,631,559.48
  5. Step 5: Solve for x
    x = 6,631,559.48/2,312.24
  6. Step 6: Final answer
    x = 2,868.03

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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.