Home / 2,427.90-3,637.92-1,698.30

Finding the Fourth Proportional to 2,427.90, 3,637.92 and 1,698.30

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Solution

The fourth proportional to 2,427.90, 3,637.92 and 1,698.30 is: 2,544.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,427.90 : 3,637.92 = 1,698.30 : x
  2. Step 2: Convert to fraction form
    2,427.90/3,637.92 = 1,698.30/x
  3. Step 3: Cross multiply
    2,427.90x = 3,637.92 × 1,698.30
  4. Step 4: Simplify right side
    2,427.90x = 6,178,279.54
  5. Step 5: Solve for x
    x = 6,178,279.54/2,427.90
  6. Step 6: Final answer
    x = 2,544.70

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1.5x scale

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.