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Finding the Fourth Proportional to 1,863.58, 2,571.76 and 1,024.30

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Solution

The fourth proportional to 1,863.58, 2,571.76 and 1,024.30 is: 1,413.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863.58 : 2,571.76 = 1,024.30 : x
  2. Step 2: Convert to fraction form
    1,863.58/2,571.76 = 1,024.30/x
  3. Step 3: Cross multiply
    1,863.58x = 2,571.76 × 1,024.30
  4. Step 4: Simplify right side
    1,863.58x = 2,634,253.77
  5. Step 5: Solve for x
    x = 2,634,253.77/1,863.58
  6. Step 6: Final answer
    x = 1,413.54

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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.