Home / 1,260.29-1,739.16-700.74

Finding the Fourth Proportional to 1,260.29, 1,739.16 and 700.74

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Solution

The fourth proportional to 1,260.29, 1,739.16 and 700.74 is: 967.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260.29 : 1,739.16 = 700.74 : x
  2. Step 2: Convert to fraction form
    1,260.29/1,739.16 = 700.74/x
  3. Step 3: Cross multiply
    1,260.29x = 1,739.16 × 700.74
  4. Step 4: Simplify right side
    1,260.29x = 1,218,705.84
  5. Step 5: Solve for x
    x = 1,218,705.84/1,260.29
  6. Step 6: Final answer
    x = 967.00

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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.