Home / 2,748.48-3,792.24-1,569.12

Finding the Fourth Proportional to 2,748.48, 3,792.24 and 1,569.12

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Solution

The fourth proportional to 2,748.48, 3,792.24 and 1,569.12 is: 2,165.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.48 : 3,792.24 = 1,569.12 : x
  2. Step 2: Convert to fraction form
    2,748.48/3,792.24 = 1,569.12/x
  3. Step 3: Cross multiply
    2,748.48x = 3,792.24 × 1,569.12
  4. Step 4: Simplify right side
    2,748.48x = 5,950,479.63
  5. Step 5: Solve for x
    x = 5,950,479.63/2,748.48
  6. Step 6: Final answer
    x = 2,165.01

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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.