Home / 1,260.50-1,739.64-701.03

Finding the Fourth Proportional to 1,260.50, 1,739.64 and 701.03

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Solution

The fourth proportional to 1,260.50, 1,739.64 and 701.03 is: 967.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260.50 : 1,739.64 = 701.03 : x
  2. Step 2: Convert to fraction form
    1,260.50/1,739.64 = 701.03/x
  3. Step 3: Cross multiply
    1,260.50x = 1,739.64 × 701.03
  4. Step 4: Simplify right side
    1,260.50x = 1,219,531.13
  5. Step 5: Solve for x
    x = 1,219,531.13/1,260.50
  6. Step 6: Final answer
    x = 967.50

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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.