Home / 3,237.79-4,856.68-1,291.36

Finding the Fourth Proportional to 3,237.79, 4,856.68 and 1,291.36

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Solution

The fourth proportional to 3,237.79, 4,856.68 and 1,291.36 is: 1,937.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,237.79 : 4,856.68 = 1,291.36 : x
  2. Step 2: Convert to fraction form
    3,237.79/4,856.68 = 1,291.36/x
  3. Step 3: Cross multiply
    3,237.79x = 4,856.68 × 1,291.36
  4. Step 4: Simplify right side
    3,237.79x = 6,271,695.83
  5. Step 5: Solve for x
    x = 6,271,695.83/3,237.79
  6. Step 6: Final answer
    x = 1,937.03

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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.