Home / 3,529.10-4,867.95-2,271.80

Finding the Fourth Proportional to 3,529.10, 4,867.95 and 2,271.80

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Solution

The fourth proportional to 3,529.10, 4,867.95 and 2,271.80 is: 3,133.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.10 : 4,867.95 = 2,271.80 : x
  2. Step 2: Convert to fraction form
    3,529.10/4,867.95 = 2,271.80/x
  3. Step 3: Cross multiply
    3,529.10x = 4,867.95 × 2,271.80
  4. Step 4: Simplify right side
    3,529.10x = 11,058,984.47
  5. Step 5: Solve for x
    x = 11,058,984.47/3,529.10
  6. Step 6: Final answer
    x = 3,133.66

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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.