Home / 3,498.48-4,827.90-1,926.57

Finding the Fourth Proportional to 3,498.48, 4,827.90 and 1,926.57

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Solution

The fourth proportional to 3,498.48, 4,827.90 and 1,926.57 is: 2,658.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,498.48 : 4,827.90 = 1,926.57 : x
  2. Step 2: Convert to fraction form
    3,498.48/4,827.90 = 1,926.57/x
  3. Step 3: Cross multiply
    3,498.48x = 4,827.90 × 1,926.57
  4. Step 4: Simplify right side
    3,498.48x = 9,301,287.30
  5. Step 5: Solve for x
    x = 9,301,287.30/3,498.48
  6. Step 6: Final answer
    x = 2,658.67

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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.