Home / 2,025-3,030.64-1,245.50

Finding the Fourth Proportional to 2,025, 3,030.64 and 1,245.50

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Solution

The fourth proportional to 2,025, 3,030.64 and 1,245.50 is: 1,864.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025 : 3,030.64 = 1,245.50 : x
  2. Step 2: Convert to fraction form
    2,025/3,030.64 = 1,245.50/x
  3. Step 3: Cross multiply
    2,025x = 3,030.64 × 1,245.50
  4. Step 4: Simplify right side
    2,025x = 3,774,652.31
  5. Step 5: Solve for x
    x = 3,774,652.31/2,025
  6. Step 6: Final answer
    x = 1,864.03

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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.