Home / 1,181.99-1,630.31-1,024.35

Finding the Fourth Proportional to 1,181.99, 1,630.31 and 1,024.35

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Solution

The fourth proportional to 1,181.99, 1,630.31 and 1,024.35 is: 1,412.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181.99 : 1,630.31 = 1,024.35 : x
  2. Step 2: Convert to fraction form
    1,181.99/1,630.31 = 1,024.35/x
  3. Step 3: Cross multiply
    1,181.99x = 1,630.31 × 1,024.35
  4. Step 4: Simplify right side
    1,181.99x = 1,669,996.81
  5. Step 5: Solve for x
    x = 1,669,996.81/1,181.99
  6. Step 6: Final answer
    x = 1,412.87

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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.