Home / 4,289.45-5,920.13-2,521.49

Finding the Fourth Proportional to 4,289.45, 5,920.13 and 2,521.49

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Solution

The fourth proportional to 4,289.45, 5,920.13 and 2,521.49 is: 3,480.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.45 : 5,920.13 = 2,521.49 : x
  2. Step 2: Convert to fraction form
    4,289.45/5,920.13 = 2,521.49/x
  3. Step 3: Cross multiply
    4,289.45x = 5,920.13 × 2,521.49
  4. Step 4: Simplify right side
    4,289.45x = 14,927,535.99
  5. Step 5: Solve for x
    x = 14,927,535.99/4,289.45
  6. Step 6: Final answer
    x = 3,480.06

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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.