Home / 3,875.06-5,347.53-2,106.62

Finding the Fourth Proportional to 3,875.06, 5,347.53 and 2,106.62

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Solution

The fourth proportional to 3,875.06, 5,347.53 and 2,106.62 is: 2,907.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875.06 : 5,347.53 = 2,106.62 : x
  2. Step 2: Convert to fraction form
    3,875.06/5,347.53 = 2,106.62/x
  3. Step 3: Cross multiply
    3,875.06x = 5,347.53 × 2,106.62
  4. Step 4: Simplify right side
    3,875.06x = 11,265,213.65
  5. Step 5: Solve for x
    x = 11,265,213.65/3,875.06
  6. Step 6: Final answer
    x = 2,907.11

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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.