Home / 2,387.90-3,583.26-1,292.24

Finding the Fourth Proportional to 2,387.90, 3,583.26 and 1,292.24

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Solution

The fourth proportional to 2,387.90, 3,583.26 and 1,292.24 is: 1,939.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,387.90 : 3,583.26 = 1,292.24 : x
  2. Step 2: Convert to fraction form
    2,387.90/3,583.26 = 1,292.24/x
  3. Step 3: Cross multiply
    2,387.90x = 3,583.26 × 1,292.24
  4. Step 4: Simplify right side
    2,387.90x = 4,630,413.99
  5. Step 5: Solve for x
    x = 4,630,413.99/2,387.90
  6. Step 6: Final answer
    x = 1,939.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.