Home / 3,918.52-5,407.73-2,346.31

Finding the Fourth Proportional to 3,918.52, 5,407.73 and 2,346.31

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Solution

The fourth proportional to 3,918.52, 5,407.73 and 2,346.31 is: 3,238.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918.52 : 5,407.73 = 2,346.31 : x
  2. Step 2: Convert to fraction form
    3,918.52/5,407.73 = 2,346.31/x
  3. Step 3: Cross multiply
    3,918.52x = 5,407.73 × 2,346.31
  4. Step 4: Simplify right side
    3,918.52x = 12,688,210.98
  5. Step 5: Solve for x
    x = 12,688,210.98/3,918.52
  6. Step 6: Final answer
    x = 3,238.01

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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.