Home / 2,521.21-3,478.76-1,473.07

Finding the Fourth Proportional to 2,521.21, 3,478.76 and 1,473.07

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Solution

The fourth proportional to 2,521.21, 3,478.76 and 1,473.07 is: 2,032.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,521.21 : 3,478.76 = 1,473.07 : x
  2. Step 2: Convert to fraction form
    2,521.21/3,478.76 = 1,473.07/x
  3. Step 3: Cross multiply
    2,521.21x = 3,478.76 × 1,473.07
  4. Step 4: Simplify right side
    2,521.21x = 5,124,456.99
  5. Step 5: Solve for x
    x = 5,124,456.99/2,521.21
  6. Step 6: Final answer
    x = 2,032.54

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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.