Home / 1,260.53-1,739.55-701.06

Finding the Fourth Proportional to 1,260.53, 1,739.55 and 701.06

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Solution

The fourth proportional to 1,260.53, 1,739.55 and 701.06 is: 967.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260.53 : 1,739.55 = 701.06 : x
  2. Step 2: Convert to fraction form
    1,260.53/1,739.55 = 701.06/x
  3. Step 3: Cross multiply
    1,260.53x = 1,739.55 × 701.06
  4. Step 4: Simplify right side
    1,260.53x = 1,219,528.92
  5. Step 5: Solve for x
    x = 1,219,528.92/1,260.53
  6. Step 6: Final answer
    x = 967.47

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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.