Home / 1,595.32-2,201.40-896.80

Finding the Fourth Proportional to 1,595.32, 2,201.40 and 896.80

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Solution

The fourth proportional to 1,595.32, 2,201.40 and 896.80 is: 1,237.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595.32 : 2,201.40 = 896.80 : x
  2. Step 2: Convert to fraction form
    1,595.32/2,201.40 = 896.80/x
  3. Step 3: Cross multiply
    1,595.32x = 2,201.40 × 896.80
  4. Step 4: Simplify right side
    1,595.32x = 1,974,215.52
  5. Step 5: Solve for x
    x = 1,974,215.52/1,595.32
  6. Step 6: Final answer
    x = 1,237.50

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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.