Home / 1,337.32-1,993.62-1,316.26

Finding the Fourth Proportional to 1,337.32, 1,993.62 and 1,316.26

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Solution

The fourth proportional to 1,337.32, 1,993.62 and 1,316.26 is: 1,962.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337.32 : 1,993.62 = 1,316.26 : x
  2. Step 2: Convert to fraction form
    1,337.32/1,993.62 = 1,316.26/x
  3. Step 3: Cross multiply
    1,337.32x = 1,993.62 × 1,316.26
  4. Step 4: Simplify right side
    1,337.32x = 2,624,122.26
  5. Step 5: Solve for x
    x = 2,624,122.26/1,337.32
  6. Step 6: Final answer
    x = 1,962.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.