Home / 1,260.83-1,739.90-701.25

Finding the Fourth Proportional to 1,260.83, 1,739.90 and 701.25

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Solution

The fourth proportional to 1,260.83, 1,739.90 and 701.25 is: 967.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260.83 : 1,739.90 = 701.25 : x
  2. Step 2: Convert to fraction form
    1,260.83/1,739.90 = 701.25/x
  3. Step 3: Cross multiply
    1,260.83x = 1,739.90 × 701.25
  4. Step 4: Simplify right side
    1,260.83x = 1,220,101.37
  5. Step 5: Solve for x
    x = 1,220,101.37/1,260.83
  6. Step 6: Final answer
    x = 967.70

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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.