Home / 3,875.04-5,347.56-2,106.61

Finding the Fourth Proportional to 3,875.04, 5,347.56 and 2,106.61

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Solution

The fourth proportional to 3,875.04, 5,347.56 and 2,106.61 is: 2,907.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875.04 : 5,347.56 = 2,106.61 : x
  2. Step 2: Convert to fraction form
    3,875.04/5,347.56 = 2,106.61/x
  3. Step 3: Cross multiply
    3,875.04x = 5,347.56 × 2,106.61
  4. Step 4: Simplify right side
    3,875.04x = 11,265,196.63
  5. Step 5: Solve for x
    x = 11,265,196.63/3,875.04
  6. Step 6: Final answer
    x = 2,907.12

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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.