Home / 1,314.30-1,969.71-1,130.46

Finding the Fourth Proportional to 1,314.30, 1,969.71 and 1,130.46

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Solution

The fourth proportional to 1,314.30, 1,969.71 and 1,130.46 is: 1,694.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314.30 : 1,969.71 = 1,130.46 : x
  2. Step 2: Convert to fraction form
    1,314.30/1,969.71 = 1,130.46/x
  3. Step 3: Cross multiply
    1,314.30x = 1,969.71 × 1,130.46
  4. Step 4: Simplify right side
    1,314.30x = 2,226,678.37
  5. Step 5: Solve for x
    x = 2,226,678.37/1,314.30
  6. Step 6: Final answer
    x = 1,694.19

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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.