Home / 2,472.21-3,411.63-1,424.25

Finding the Fourth Proportional to 2,472.21, 3,411.63 and 1,424.25

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Solution

The fourth proportional to 2,472.21, 3,411.63 and 1,424.25 is: 1,965.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,472.21 : 3,411.63 = 1,424.25 : x
  2. Step 2: Convert to fraction form
    2,472.21/3,411.63 = 1,424.25/x
  3. Step 3: Cross multiply
    2,472.21x = 3,411.63 × 1,424.25
  4. Step 4: Simplify right side
    2,472.21x = 4,859,014.03
  5. Step 5: Solve for x
    x = 4,859,014.03/2,472.21
  6. Step 6: Final answer
    x = 1,965.45

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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.