Home / 2,307.44-3,184.26-1,312.74

Finding the Fourth Proportional to 2,307.44, 3,184.26 and 1,312.74

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Solution

The fourth proportional to 2,307.44, 3,184.26 and 1,312.74 is: 1,811.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,307.44 : 3,184.26 = 1,312.74 : x
  2. Step 2: Convert to fraction form
    2,307.44/3,184.26 = 1,312.74/x
  3. Step 3: Cross multiply
    2,307.44x = 3,184.26 × 1,312.74
  4. Step 4: Simplify right side
    2,307.44x = 4,180,105.47
  5. Step 5: Solve for x
    x = 4,180,105.47/2,307.44
  6. Step 6: Final answer
    x = 1,811.58

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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.