Home / 2,303.70-3,455.55-1,380.30

Finding the Fourth Proportional to 2,303.70, 3,455.55 and 1,380.30

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Solution

The fourth proportional to 2,303.70, 3,455.55 and 1,380.30 is: 2,070.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,303.70 : 3,455.55 = 1,380.30 : x
  2. Step 2: Convert to fraction form
    2,303.70/3,455.55 = 1,380.30/x
  3. Step 3: Cross multiply
    2,303.70x = 3,455.55 × 1,380.30
  4. Step 4: Simplify right side
    2,303.70x = 4,769,695.67
  5. Step 5: Solve for x
    x = 4,769,695.67/2,303.70
  6. Step 6: Final answer
    x = 2,070.45

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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.