Home / 1,817.80-2,482.58-1,798.36

Finding the Fourth Proportional to 1,817.80, 2,482.58 and 1,798.36

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Solution

The fourth proportional to 1,817.80, 2,482.58 and 1,798.36 is: 2,456.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817.80 : 2,482.58 = 1,798.36 : x
  2. Step 2: Convert to fraction form
    1,817.80/2,482.58 = 1,798.36/x
  3. Step 3: Cross multiply
    1,817.80x = 2,482.58 × 1,798.36
  4. Step 4: Simplify right side
    1,817.80x = 4,464,572.57
  5. Step 5: Solve for x
    x = 4,464,572.57/1,817.80
  6. Step 6: Final answer
    x = 2,456.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.