Home / 1,315.44-1,812.24-1,094.04

Finding the Fourth Proportional to 1,315.44, 1,812.24 and 1,094.04

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Solution

The fourth proportional to 1,315.44, 1,812.24 and 1,094.04 is: 1,507.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315.44 : 1,812.24 = 1,094.04 : x
  2. Step 2: Convert to fraction form
    1,315.44/1,812.24 = 1,094.04/x
  3. Step 3: Cross multiply
    1,315.44x = 1,812.24 × 1,094.04
  4. Step 4: Simplify right side
    1,315.44x = 1,982,663.05
  5. Step 5: Solve for x
    x = 1,982,663.05/1,315.44
  6. Step 6: Final answer
    x = 1,507.22

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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.