Home / 2,031.68-2,803.70-1,100.18

Finding the Fourth Proportional to 2,031.68, 2,803.70 and 1,100.18

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Solution

The fourth proportional to 2,031.68, 2,803.70 and 1,100.18 is: 1,518.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.68 : 2,803.70 = 1,100.18 : x
  2. Step 2: Convert to fraction form
    2,031.68/2,803.70 = 1,100.18/x
  3. Step 3: Cross multiply
    2,031.68x = 2,803.70 × 1,100.18
  4. Step 4: Simplify right side
    2,031.68x = 3,084,574.67
  5. Step 5: Solve for x
    x = 3,084,574.67/2,031.68
  6. Step 6: Final answer
    x = 1,518.24

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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.