Home / 2,318.26-3,199.21-1,256.02

Finding the Fourth Proportional to 2,318.26, 3,199.21 and 1,256.02

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Solution

The fourth proportional to 2,318.26, 3,199.21 and 1,256.02 is: 1,733.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.26 : 3,199.21 = 1,256.02 : x
  2. Step 2: Convert to fraction form
    2,318.26/3,199.21 = 1,256.02/x
  3. Step 3: Cross multiply
    2,318.26x = 3,199.21 × 1,256.02
  4. Step 4: Simplify right side
    2,318.26x = 4,018,271.74
  5. Step 5: Solve for x
    x = 4,018,271.74/2,318.26
  6. Step 6: Final answer
    x = 1,733.32

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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.