Home / 2,036.52-2,811.44-1,291.24

Finding the Fourth Proportional to 2,036.52, 2,811.44 and 1,291.24

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Solution

The fourth proportional to 2,036.52, 2,811.44 and 1,291.24 is: 1,782.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,036.52 : 2,811.44 = 1,291.24 : x
  2. Step 2: Convert to fraction form
    2,036.52/2,811.44 = 1,291.24/x
  3. Step 3: Cross multiply
    2,036.52x = 2,811.44 × 1,291.24
  4. Step 4: Simplify right side
    2,036.52x = 3,630,243.79
  5. Step 5: Solve for x
    x = 3,630,243.79/2,036.52
  6. Step 6: Final answer
    x = 1,782.57

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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.