Home / 1,325.32-1,828.94-801.34

Finding the Fourth Proportional to 1,325.32, 1,828.94 and 801.34

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Solution

The fourth proportional to 1,325.32, 1,828.94 and 801.34 is: 1,105.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325.32 : 1,828.94 = 801.34 : x
  2. Step 2: Convert to fraction form
    1,325.32/1,828.94 = 801.34/x
  3. Step 3: Cross multiply
    1,325.32x = 1,828.94 × 801.34
  4. Step 4: Simplify right side
    1,325.32x = 1,465,602.78
  5. Step 5: Solve for x
    x = 1,465,602.78/1,325.32
  6. Step 6: Final answer
    x = 1,105.85

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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.