Home / 1,295.27-1,943.78-473.79

Finding the Fourth Proportional to 1,295.27, 1,943.78 and 473.79

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Solution

The fourth proportional to 1,295.27, 1,943.78 and 473.79 is: 711.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295.27 : 1,943.78 = 473.79 : x
  2. Step 2: Convert to fraction form
    1,295.27/1,943.78 = 473.79/x
  3. Step 3: Cross multiply
    1,295.27x = 1,943.78 × 473.79
  4. Step 4: Simplify right side
    1,295.27x = 920,941.16
  5. Step 5: Solve for x
    x = 920,941.16/1,295.27
  6. Step 6: Final answer
    x = 711.01

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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.