Home / 3,889.09-5,363.40-2,562.31

Finding the Fourth Proportional to 3,889.09, 5,363.40 and 2,562.31

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Solution

The fourth proportional to 3,889.09, 5,363.40 and 2,562.31 is: 3,533.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889.09 : 5,363.40 = 2,562.31 : x
  2. Step 2: Convert to fraction form
    3,889.09/5,363.40 = 2,562.31/x
  3. Step 3: Cross multiply
    3,889.09x = 5,363.40 × 2,562.31
  4. Step 4: Simplify right side
    3,889.09x = 13,742,693.45
  5. Step 5: Solve for x
    x = 13,742,693.45/3,889.09
  6. Step 6: Final answer
    x = 3,533.65

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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.