Home / 1,529.16-2,108.16-969.35

Finding the Fourth Proportional to 1,529.16, 2,108.16 and 969.35

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Solution

The fourth proportional to 1,529.16, 2,108.16 and 969.35 is: 1,336.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529.16 : 2,108.16 = 969.35 : x
  2. Step 2: Convert to fraction form
    1,529.16/2,108.16 = 969.35/x
  3. Step 3: Cross multiply
    1,529.16x = 2,108.16 × 969.35
  4. Step 4: Simplify right side
    1,529.16x = 2,043,534.36
  5. Step 5: Solve for x
    x = 2,043,534.36/1,529.16
  6. Step 6: Final answer
    x = 1,336.38

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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.