Home / 3,345.69-4,617.31-1,853.75

Finding the Fourth Proportional to 3,345.69, 4,617.31 and 1,853.75

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Solution

The fourth proportional to 3,345.69, 4,617.31 and 1,853.75 is: 2,558.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.69 : 4,617.31 = 1,853.75 : x
  2. Step 2: Convert to fraction form
    3,345.69/4,617.31 = 1,853.75/x
  3. Step 3: Cross multiply
    3,345.69x = 4,617.31 × 1,853.75
  4. Step 4: Simplify right side
    3,345.69x = 8,559,328.01
  5. Step 5: Solve for x
    x = 8,559,328.01/3,345.69
  6. Step 6: Final answer
    x = 2,558.31

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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.