Home / 3,308.86-4,963.13-1,117.67

Finding the Fourth Proportional to 3,308.86, 4,963.13 and 1,117.67

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Solution

The fourth proportional to 3,308.86, 4,963.13 and 1,117.67 is: 1,676.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.86 : 4,963.13 = 1,117.67 : x
  2. Step 2: Convert to fraction form
    3,308.86/4,963.13 = 1,117.67/x
  3. Step 3: Cross multiply
    3,308.86x = 4,963.13 × 1,117.67
  4. Step 4: Simplify right side
    3,308.86x = 5,547,135.92
  5. Step 5: Solve for x
    x = 5,547,135.92/3,308.86
  6. Step 6: Final answer
    x = 1,676.45

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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.