Home / 2,356.61-3,252.11-1,308.67

Finding the Fourth Proportional to 2,356.61, 3,252.11 and 1,308.67

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Solution

The fourth proportional to 2,356.61, 3,252.11 and 1,308.67 is: 1,805.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,356.61 : 3,252.11 = 1,308.67 : x
  2. Step 2: Convert to fraction form
    2,356.61/3,252.11 = 1,308.67/x
  3. Step 3: Cross multiply
    2,356.61x = 3,252.11 × 1,308.67
  4. Step 4: Simplify right side
    2,356.61x = 4,255,924.12
  5. Step 5: Solve for x
    x = 4,255,924.12/2,356.61
  6. Step 6: Final answer
    x = 1,805.96

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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.