Home / 1,816.12-2,506.63-1,152.83

Finding the Fourth Proportional to 1,816.12, 2,506.63 and 1,152.83

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Solution

The fourth proportional to 1,816.12, 2,506.63 and 1,152.83 is: 1,591.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.12 : 2,506.63 = 1,152.83 : x
  2. Step 2: Convert to fraction form
    1,816.12/2,506.63 = 1,152.83/x
  3. Step 3: Cross multiply
    1,816.12x = 2,506.63 × 1,152.83
  4. Step 4: Simplify right side
    1,816.12x = 2,889,723.81
  5. Step 5: Solve for x
    x = 2,889,723.81/1,816.12
  6. Step 6: Final answer
    x = 1,591.15

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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.