Home / 4,603.40-6,903.30-1,680.20

Finding the Fourth Proportional to 4,603.40, 6,903.30 and 1,680.20

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Solution

The fourth proportional to 4,603.40, 6,903.30 and 1,680.20 is: 2,519.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,603.40 : 6,903.30 = 1,680.20 : x
  2. Step 2: Convert to fraction form
    4,603.40/6,903.30 = 1,680.20/x
  3. Step 3: Cross multiply
    4,603.40x = 6,903.30 × 1,680.20
  4. Step 4: Simplify right side
    4,603.40x = 11,598,924.66
  5. Step 5: Solve for x
    x = 11,598,924.66/4,603.40
  6. Step 6: Final answer
    x = 2,519.64

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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.