Home / 2,918.47-4,027.95-1,740.23

Finding the Fourth Proportional to 2,918.47, 4,027.95 and 1,740.23

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Solution

The fourth proportional to 2,918.47, 4,027.95 and 1,740.23 is: 2,401.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.47 : 4,027.95 = 1,740.23 : x
  2. Step 2: Convert to fraction form
    2,918.47/4,027.95 = 1,740.23/x
  3. Step 3: Cross multiply
    2,918.47x = 4,027.95 × 1,740.23
  4. Step 4: Simplify right side
    2,918.47x = 7,009,559.43
  5. Step 5: Solve for x
    x = 7,009,559.43/2,918.47
  6. Step 6: Final answer
    x = 2,401.79

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1.5x scale

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.