Home / 1,490.48-2,237.34-1,022.30

Finding the Fourth Proportional to 1,490.48, 2,237.34 and 1,022.30

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Solution

The fourth proportional to 1,490.48, 2,237.34 and 1,022.30 is: 1,534.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490.48 : 2,237.34 = 1,022.30 : x
  2. Step 2: Convert to fraction form
    1,490.48/2,237.34 = 1,022.30/x
  3. Step 3: Cross multiply
    1,490.48x = 2,237.34 × 1,022.30
  4. Step 4: Simplify right side
    1,490.48x = 2,287,232.68
  5. Step 5: Solve for x
    x = 2,287,232.68/1,490.48
  6. Step 6: Final answer
    x = 1,534.56

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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.