Home / 1,931.55-2,894.77-1,054.43

Finding the Fourth Proportional to 1,931.55, 2,894.77 and 1,054.43

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Solution

The fourth proportional to 1,931.55, 2,894.77 and 1,054.43 is: 1,580.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931.55 : 2,894.77 = 1,054.43 : x
  2. Step 2: Convert to fraction form
    1,931.55/2,894.77 = 1,054.43/x
  3. Step 3: Cross multiply
    1,931.55x = 2,894.77 × 1,054.43
  4. Step 4: Simplify right side
    1,931.55x = 3,052,332.33
  5. Step 5: Solve for x
    x = 3,052,332.33/1,931.55
  6. Step 6: Final answer
    x = 1,580.25

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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.