Home / 3,785.84-5,680.34-2,030.40

Finding the Fourth Proportional to 3,785.84, 5,680.34 and 2,030.40

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Solution

The fourth proportional to 3,785.84, 5,680.34 and 2,030.40 is: 3,046.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.84 : 5,680.34 = 2,030.40 : x
  2. Step 2: Convert to fraction form
    3,785.84/5,680.34 = 2,030.40/x
  3. Step 3: Cross multiply
    3,785.84x = 5,680.34 × 2,030.40
  4. Step 4: Simplify right side
    3,785.84x = 11,533,362.34
  5. Step 5: Solve for x
    x = 11,533,362.34/3,785.84
  6. Step 6: Final answer
    x = 3,046.45

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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.