Home / 2,945.90-4,065.53-1,827.58

Finding the Fourth Proportional to 2,945.90, 4,065.53 and 1,827.58

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Solution

The fourth proportional to 2,945.90, 4,065.53 and 1,827.58 is: 2,522.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.90 : 4,065.53 = 1,827.58 : x
  2. Step 2: Convert to fraction form
    2,945.90/4,065.53 = 1,827.58/x
  3. Step 3: Cross multiply
    2,945.90x = 4,065.53 × 1,827.58
  4. Step 4: Simplify right side
    2,945.90x = 7,430,081.32
  5. Step 5: Solve for x
    x = 7,430,081.32/2,945.90
  6. Step 6: Final answer
    x = 2,522.18

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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.