Home / 1,342.35-2,013.53-1,309.95

Finding the Fourth Proportional to 1,342.35, 2,013.53 and 1,309.95

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Solution

The fourth proportional to 1,342.35, 2,013.53 and 1,309.95 is: 1,964.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342.35 : 2,013.53 = 1,309.95 : x
  2. Step 2: Convert to fraction form
    1,342.35/2,013.53 = 1,309.95/x
  3. Step 3: Cross multiply
    1,342.35x = 2,013.53 × 1,309.95
  4. Step 4: Simplify right side
    1,342.35x = 2,637,623.62
  5. Step 5: Solve for x
    x = 2,637,623.62/1,342.35
  6. Step 6: Final answer
    x = 1,964.93

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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.