Home / 1,590.64-2,383.80-1,181.32

Finding the Fourth Proportional to 1,590.64, 2,383.80 and 1,181.32

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Solution

The fourth proportional to 1,590.64, 2,383.80 and 1,181.32 is: 1,770.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590.64 : 2,383.80 = 1,181.32 : x
  2. Step 2: Convert to fraction form
    1,590.64/2,383.80 = 1,181.32/x
  3. Step 3: Cross multiply
    1,590.64x = 2,383.80 × 1,181.32
  4. Step 4: Simplify right side
    1,590.64x = 2,816,030.62
  5. Step 5: Solve for x
    x = 2,816,030.62/1,590.64
  6. Step 6: Final answer
    x = 1,770.38

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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.