Home / 4,085.36-6,128.04-2,442.38

Finding the Fourth Proportional to 4,085.36, 6,128.04 and 2,442.38

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Solution

The fourth proportional to 4,085.36, 6,128.04 and 2,442.38 is: 3,663.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.36 : 6,128.04 = 2,442.38 : x
  2. Step 2: Convert to fraction form
    4,085.36/6,128.04 = 2,442.38/x
  3. Step 3: Cross multiply
    4,085.36x = 6,128.04 × 2,442.38
  4. Step 4: Simplify right side
    4,085.36x = 14,966,994.65
  5. Step 5: Solve for x
    x = 14,966,994.65/4,085.36
  6. Step 6: Final answer
    x = 3,663.57

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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.