Home / 1,303.59-1,955.38-1,121.34

Finding the Fourth Proportional to 1,303.59, 1,955.38 and 1,121.34

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Solution

The fourth proportional to 1,303.59, 1,955.38 and 1,121.34 is: 1,682.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303.59 : 1,955.38 = 1,121.34 : x
  2. Step 2: Convert to fraction form
    1,303.59/1,955.38 = 1,121.34/x
  3. Step 3: Cross multiply
    1,303.59x = 1,955.38 × 1,121.34
  4. Step 4: Simplify right side
    1,303.59x = 2,192,645.81
  5. Step 5: Solve for x
    x = 2,192,645.81/1,303.59
  6. Step 6: Final answer
    x = 1,682.01

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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.