Home / 1,316.24-1,971.75-1,004.19

Finding the Fourth Proportional to 1,316.24, 1,971.75 and 1,004.19

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Solution

The fourth proportional to 1,316.24, 1,971.75 and 1,004.19 is: 1,504.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316.24 : 1,971.75 = 1,004.19 : x
  2. Step 2: Convert to fraction form
    1,316.24/1,971.75 = 1,004.19/x
  3. Step 3: Cross multiply
    1,316.24x = 1,971.75 × 1,004.19
  4. Step 4: Simplify right side
    1,316.24x = 1,980,011.63
  5. Step 5: Solve for x
    x = 1,980,011.63/1,316.24
  6. Step 6: Final answer
    x = 1,504.30

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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.