Home / 3,521.40-4,859.88-2,635.65

Finding the Fourth Proportional to 3,521.40, 4,859.88 and 2,635.65

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Solution

The fourth proportional to 3,521.40, 4,859.88 and 2,635.65 is: 3,637.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.40 : 4,859.88 = 2,635.65 : x
  2. Step 2: Convert to fraction form
    3,521.40/4,859.88 = 2,635.65/x
  3. Step 3: Cross multiply
    3,521.40x = 4,859.88 × 2,635.65
  4. Step 4: Simplify right side
    3,521.40x = 12,808,942.72
  5. Step 5: Solve for x
    x = 12,808,942.72/3,521.40
  6. Step 6: Final answer
    x = 3,637.46

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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.