Home / 1,657.68-2,483.56-1,108.19

Finding the Fourth Proportional to 1,657.68, 2,483.56 and 1,108.19

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Solution

The fourth proportional to 1,657.68, 2,483.56 and 1,108.19 is: 1,660.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657.68 : 2,483.56 = 1,108.19 : x
  2. Step 2: Convert to fraction form
    1,657.68/2,483.56 = 1,108.19/x
  3. Step 3: Cross multiply
    1,657.68x = 2,483.56 × 1,108.19
  4. Step 4: Simplify right side
    1,657.68x = 2,752,259.79
  5. Step 5: Solve for x
    x = 2,752,259.79/1,657.68
  6. Step 6: Final answer
    x = 1,660.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.