Home / 1,657.54-2,288.43-1,259.23

Finding the Fourth Proportional to 1,657.54, 2,288.43 and 1,259.23

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Solution

The fourth proportional to 1,657.54, 2,288.43 and 1,259.23 is: 1,738.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657.54 : 2,288.43 = 1,259.23 : x
  2. Step 2: Convert to fraction form
    1,657.54/2,288.43 = 1,259.23/x
  3. Step 3: Cross multiply
    1,657.54x = 2,288.43 × 1,259.23
  4. Step 4: Simplify right side
    1,657.54x = 2,881,659.71
  5. Step 5: Solve for x
    x = 2,881,659.71/1,657.54
  6. Step 6: Final answer
    x = 1,738.52

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Find fourth proportional to 1,658.54, 2,289.81 and 1,260.23
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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.