Home / 1,816.85-2,510.66-1,485.16

Finding the Fourth Proportional to 1,816.85, 2,510.66 and 1,485.16

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Solution

The fourth proportional to 1,816.85, 2,510.66 and 1,485.16 is: 2,052.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.85 : 2,510.66 = 1,485.16 : x
  2. Step 2: Convert to fraction form
    1,816.85/2,510.66 = 1,485.16/x
  3. Step 3: Cross multiply
    1,816.85x = 2,510.66 × 1,485.16
  4. Step 4: Simplify right side
    1,816.85x = 3,728,729.24
  5. Step 5: Solve for x
    x = 3,728,729.24/1,816.85
  6. Step 6: Final answer
    x = 2,052.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.