Home / 3,345.90-4,617.20-1,853.88

Finding the Fourth Proportional to 3,345.90, 4,617.20 and 1,853.88

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Solution

The fourth proportional to 3,345.90, 4,617.20 and 1,853.88 is: 2,558.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.90 : 4,617.20 = 1,853.88 : x
  2. Step 2: Convert to fraction form
    3,345.90/4,617.20 = 1,853.88/x
  3. Step 3: Cross multiply
    3,345.90x = 4,617.20 × 1,853.88
  4. Step 4: Simplify right side
    3,345.90x = 8,559,735.92
  5. Step 5: Solve for x
    x = 8,559,735.92/3,345.90
  6. Step 6: Final answer
    x = 2,558.28

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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.