Home / 1,772.40-2,646.28-1,492.94

Finding the Fourth Proportional to 1,772.40, 2,646.28 and 1,492.94

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Solution

The fourth proportional to 1,772.40, 2,646.28 and 1,492.94 is: 2,229.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772.40 : 2,646.28 = 1,492.94 : x
  2. Step 2: Convert to fraction form
    1,772.40/2,646.28 = 1,492.94/x
  3. Step 3: Cross multiply
    1,772.40x = 2,646.28 × 1,492.94
  4. Step 4: Simplify right side
    1,772.40x = 3,950,737.26
  5. Step 5: Solve for x
    x = 3,950,737.26/1,772.40
  6. Step 6: Final answer
    x = 2,229.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.