Home / 3,140.40-4,710.48-1,060.09

Finding the Fourth Proportional to 3,140.40, 4,710.48 and 1,060.09

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Solution

The fourth proportional to 3,140.40, 4,710.48 and 1,060.09 is: 1,590.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.40 : 4,710.48 = 1,060.09 : x
  2. Step 2: Convert to fraction form
    3,140.40/4,710.48 = 1,060.09/x
  3. Step 3: Cross multiply
    3,140.40x = 4,710.48 × 1,060.09
  4. Step 4: Simplify right side
    3,140.40x = 4,993,519.97
  5. Step 5: Solve for x
    x = 4,993,519.97/3,140.40
  6. Step 6: Final answer
    x = 1,590.09

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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.