Home / 1,313.23-1,802.22-1,307.07

Finding the Fourth Proportional to 1,313.23, 1,802.22 and 1,307.07

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Solution

The fourth proportional to 1,313.23, 1,802.22 and 1,307.07 is: 1,793.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313.23 : 1,802.22 = 1,307.07 : x
  2. Step 2: Convert to fraction form
    1,313.23/1,802.22 = 1,307.07/x
  3. Step 3: Cross multiply
    1,313.23x = 1,802.22 × 1,307.07
  4. Step 4: Simplify right side
    1,313.23x = 2,355,641.43
  5. Step 5: Solve for x
    x = 2,355,641.43/1,313.23
  6. Step 6: Final answer
    x = 1,793.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.