Home / 2,037.18-2,811.24-1,291.56

Finding the Fourth Proportional to 2,037.18, 2,811.24 and 1,291.56

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Solution

The fourth proportional to 2,037.18, 2,811.24 and 1,291.56 is: 1,782.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,037.18 : 2,811.24 = 1,291.56 : x
  2. Step 2: Convert to fraction form
    2,037.18/2,811.24 = 1,291.56/x
  3. Step 3: Cross multiply
    2,037.18x = 2,811.24 × 1,291.56
  4. Step 4: Simplify right side
    2,037.18x = 3,630,885.13
  5. Step 5: Solve for x
    x = 3,630,885.13/2,037.18
  6. Step 6: Final answer
    x = 1,782.31

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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.