Home / 1,118.93-1,668.55-1,041.02

Finding the Fourth Proportional to 1,118.93, 1,668.55 and 1,041.02

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Solution

The fourth proportional to 1,118.93, 1,668.55 and 1,041.02 is: 1,552.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118.93 : 1,668.55 = 1,041.02 : x
  2. Step 2: Convert to fraction form
    1,118.93/1,668.55 = 1,041.02/x
  3. Step 3: Cross multiply
    1,118.93x = 1,668.55 × 1,041.02
  4. Step 4: Simplify right side
    1,118.93x = 1,736,993.92
  5. Step 5: Solve for x
    x = 1,736,993.92/1,118.93
  6. Step 6: Final answer
    x = 1,552.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.