Home / 1,300.19-1,949.99-375.53

Finding the Fourth Proportional to 1,300.19, 1,949.99 and 375.53

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Solution

The fourth proportional to 1,300.19, 1,949.99 and 375.53 is: 563.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300.19 : 1,949.99 = 375.53 : x
  2. Step 2: Convert to fraction form
    1,300.19/1,949.99 = 375.53/x
  3. Step 3: Cross multiply
    1,300.19x = 1,949.99 × 375.53
  4. Step 4: Simplify right side
    1,300.19x = 732,268.12
  5. Step 5: Solve for x
    x = 732,268.12/1,300.19
  6. Step 6: Final answer
    x = 563.20

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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.