Home / 1,533.57-2,113.61-1,251.99

Finding the Fourth Proportional to 1,533.57, 2,113.61 and 1,251.99

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Solution

The fourth proportional to 1,533.57, 2,113.61 and 1,251.99 is: 1,725.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533.57 : 2,113.61 = 1,251.99 : x
  2. Step 2: Convert to fraction form
    1,533.57/2,113.61 = 1,251.99/x
  3. Step 3: Cross multiply
    1,533.57x = 2,113.61 × 1,251.99
  4. Step 4: Simplify right side
    1,533.57x = 2,646,220.25
  5. Step 5: Solve for x
    x = 2,646,220.25/1,533.57
  6. Step 6: Final answer
    x = 1,725.53

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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.