Home / 3,307.40-4,564.08-1,891.01

Finding the Fourth Proportional to 3,307.40, 4,564.08 and 1,891.01

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Solution

The fourth proportional to 3,307.40, 4,564.08 and 1,891.01 is: 2,609.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.40 : 4,564.08 = 1,891.01 : x
  2. Step 2: Convert to fraction form
    3,307.40/4,564.08 = 1,891.01/x
  3. Step 3: Cross multiply
    3,307.40x = 4,564.08 × 1,891.01
  4. Step 4: Simplify right side
    3,307.40x = 8,630,698.10
  5. Step 5: Solve for x
    x = 8,630,698.10/3,307.40
  6. Step 6: Final answer
    x = 2,609.52

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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.