Home / 1,803.07-2,700.35-1,410.32

Finding the Fourth Proportional to 1,803.07, 2,700.35 and 1,410.32

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Solution

The fourth proportional to 1,803.07, 2,700.35 and 1,410.32 is: 2,112.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803.07 : 2,700.35 = 1,410.32 : x
  2. Step 2: Convert to fraction form
    1,803.07/2,700.35 = 1,410.32/x
  3. Step 3: Cross multiply
    1,803.07x = 2,700.35 × 1,410.32
  4. Step 4: Simplify right side
    1,803.07x = 3,808,362.60
  5. Step 5: Solve for x
    x = 3,808,362.60/1,803.07
  6. Step 6: Final answer
    x = 2,112.15

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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.