Home / 1,863.42-2,571.10-1,117.27

Finding the Fourth Proportional to 1,863.42, 2,571.10 and 1,117.27

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Solution

The fourth proportional to 1,863.42, 2,571.10 and 1,117.27 is: 1,541.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863.42 : 2,571.10 = 1,117.27 : x
  2. Step 2: Convert to fraction form
    1,863.42/2,571.10 = 1,117.27/x
  3. Step 3: Cross multiply
    1,863.42x = 2,571.10 × 1,117.27
  4. Step 4: Simplify right side
    1,863.42x = 2,872,612.90
  5. Step 5: Solve for x
    x = 2,872,612.90/1,863.42
  6. Step 6: Final answer
    x = 1,541.58

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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.