Home / 2,506.37-3,458.70-1,387.26

Finding the Fourth Proportional to 2,506.37, 3,458.70 and 1,387.26

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Solution

The fourth proportional to 2,506.37, 3,458.70 and 1,387.26 is: 1,914.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,506.37 : 3,458.70 = 1,387.26 : x
  2. Step 2: Convert to fraction form
    2,506.37/3,458.70 = 1,387.26/x
  3. Step 3: Cross multiply
    2,506.37x = 3,458.70 × 1,387.26
  4. Step 4: Simplify right side
    2,506.37x = 4,798,116.16
  5. Step 5: Solve for x
    x = 4,798,116.16/2,506.37
  6. Step 6: Final answer
    x = 1,914.37

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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.