Home / 3,495.30-4,823.56-1,923.40

Finding the Fourth Proportional to 3,495.30, 4,823.56 and 1,923.40

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Solution

The fourth proportional to 3,495.30, 4,823.56 and 1,923.40 is: 2,654.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,495.30 : 4,823.56 = 1,923.40 : x
  2. Step 2: Convert to fraction form
    3,495.30/4,823.56 = 1,923.40/x
  3. Step 3: Cross multiply
    3,495.30x = 4,823.56 × 1,923.40
  4. Step 4: Simplify right side
    3,495.30x = 9,277,635.30
  5. Step 5: Solve for x
    x = 9,277,635.30/3,495.30
  6. Step 6: Final answer
    x = 2,654.32

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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.