Home / 1,315.49-1,973.23-341.59

Finding the Fourth Proportional to 1,315.49, 1,973.23 and 341.59

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Solution

The fourth proportional to 1,315.49, 1,973.23 and 341.59 is: 512.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315.49 : 1,973.23 = 341.59 : x
  2. Step 2: Convert to fraction form
    1,315.49/1,973.23 = 341.59/x
  3. Step 3: Cross multiply
    1,315.49x = 1,973.23 × 341.59
  4. Step 4: Simplify right side
    1,315.49x = 674,025.77
  5. Step 5: Solve for x
    x = 674,025.77/1,315.49
  6. Step 6: Final answer
    x = 512.38

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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.