Home / 2,130.19-3,196.52-897.50

Finding the Fourth Proportional to 2,130.19, 3,196.52 and 897.50

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Solution

The fourth proportional to 2,130.19, 3,196.52 and 897.50 is: 1,346.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130.19 : 3,196.52 = 897.50 : x
  2. Step 2: Convert to fraction form
    2,130.19/3,196.52 = 897.50/x
  3. Step 3: Cross multiply
    2,130.19x = 3,196.52 × 897.50
  4. Step 4: Simplify right side
    2,130.19x = 2,868,876.70
  5. Step 5: Solve for x
    x = 2,868,876.70/2,130.19
  6. Step 6: Final answer
    x = 1,346.77

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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.