Home / 1,352.30-2,024.40-1,190.30

Finding the Fourth Proportional to 1,352.30, 2,024.40 and 1,190.30

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Solution

The fourth proportional to 1,352.30, 2,024.40 and 1,190.30 is: 1,781.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352.30 : 2,024.40 = 1,190.30 : x
  2. Step 2: Convert to fraction form
    1,352.30/2,024.40 = 1,190.30/x
  3. Step 3: Cross multiply
    1,352.30x = 2,024.40 × 1,190.30
  4. Step 4: Simplify right side
    1,352.30x = 2,409,643.32
  5. Step 5: Solve for x
    x = 2,409,643.32/1,352.30
  6. Step 6: Final answer
    x = 1,781.89

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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.