Home / 3,498.72-4,827.96-1,926.60

Finding the Fourth Proportional to 3,498.72, 4,827.96 and 1,926.60

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Solution

The fourth proportional to 3,498.72, 4,827.96 and 1,926.60 is: 2,658.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,498.72 : 4,827.96 = 1,926.60 : x
  2. Step 2: Convert to fraction form
    3,498.72/4,827.96 = 1,926.60/x
  3. Step 3: Cross multiply
    3,498.72x = 4,827.96 × 1,926.60
  4. Step 4: Simplify right side
    3,498.72x = 9,301,547.74
  5. Step 5: Solve for x
    x = 9,301,547.74/3,498.72
  6. Step 6: Final answer
    x = 2,658.56

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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.