Home / 1,300.16-1,794.29-740.66

Finding the Fourth Proportional to 1,300.16, 1,794.29 and 740.66

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Solution

The fourth proportional to 1,300.16, 1,794.29 and 740.66 is: 1,022.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300.16 : 1,794.29 = 740.66 : x
  2. Step 2: Convert to fraction form
    1,300.16/1,794.29 = 740.66/x
  3. Step 3: Cross multiply
    1,300.16x = 1,794.29 × 740.66
  4. Step 4: Simplify right side
    1,300.16x = 1,328,958.83
  5. Step 5: Solve for x
    x = 1,328,958.83/1,300.16
  6. Step 6: Final answer
    x = 1,022.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.