Home / 3,085.59-4,258.17-1,907.35

Finding the Fourth Proportional to 3,085.59, 4,258.17 and 1,907.35

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Solution

The fourth proportional to 3,085.59, 4,258.17 and 1,907.35 is: 2,632.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.59 : 4,258.17 = 1,907.35 : x
  2. Step 2: Convert to fraction form
    3,085.59/4,258.17 = 1,907.35/x
  3. Step 3: Cross multiply
    3,085.59x = 4,258.17 × 1,907.35
  4. Step 4: Simplify right side
    3,085.59x = 8,121,809.90
  5. Step 5: Solve for x
    x = 8,121,809.90/3,085.59
  6. Step 6: Final answer
    x = 2,632.17

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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.