Home / 2,748.51-3,792.90-1,569.51

Finding the Fourth Proportional to 2,748.51, 3,792.90 and 1,569.51

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Solution

The fourth proportional to 2,748.51, 3,792.90 and 1,569.51 is: 2,165.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.51 : 3,792.90 = 1,569.51 : x
  2. Step 2: Convert to fraction form
    2,748.51/3,792.90 = 1,569.51/x
  3. Step 3: Cross multiply
    2,748.51x = 3,792.90 × 1,569.51
  4. Step 4: Simplify right side
    2,748.51x = 5,952,994.48
  5. Step 5: Solve for x
    x = 5,952,994.48/2,748.51
  6. Step 6: Final answer
    x = 2,165.90

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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.