Home / 2,031.09-2,803.73-1,533.84

Finding the Fourth Proportional to 2,031.09, 2,803.73 and 1,533.84

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Solution

The fourth proportional to 2,031.09, 2,803.73 and 1,533.84 is: 2,117.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.09 : 2,803.73 = 1,533.84 : x
  2. Step 2: Convert to fraction form
    2,031.09/2,803.73 = 1,533.84/x
  3. Step 3: Cross multiply
    2,031.09x = 2,803.73 × 1,533.84
  4. Step 4: Simplify right side
    2,031.09x = 4,300,465.55
  5. Step 5: Solve for x
    x = 4,300,465.55/2,031.09
  6. Step 6: Final answer
    x = 2,117.32

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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.