Home / 1,551.10-2,143.92-1,363.18

Finding the Fourth Proportional to 1,551.10, 2,143.92 and 1,363.18

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Solution

The fourth proportional to 1,551.10, 2,143.92 and 1,363.18 is: 1,884.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551.10 : 2,143.92 = 1,363.18 : x
  2. Step 2: Convert to fraction form
    1,551.10/2,143.92 = 1,363.18/x
  3. Step 3: Cross multiply
    1,551.10x = 2,143.92 × 1,363.18
  4. Step 4: Simplify right side
    1,551.10x = 2,922,548.87
  5. Step 5: Solve for x
    x = 2,922,548.87/1,551.10
  6. Step 6: Final answer
    x = 1,884.18

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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.