Home / 1,669.32-2,303.70-1,006.44

Finding the Fourth Proportional to 1,669.32, 2,303.70 and 1,006.44

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Solution

The fourth proportional to 1,669.32, 2,303.70 and 1,006.44 is: 1,388.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669.32 : 2,303.70 = 1,006.44 : x
  2. Step 2: Convert to fraction form
    1,669.32/2,303.70 = 1,006.44/x
  3. Step 3: Cross multiply
    1,669.32x = 2,303.70 × 1,006.44
  4. Step 4: Simplify right side
    1,669.32x = 2,318,535.83
  5. Step 5: Solve for x
    x = 2,318,535.83/1,669.32
  6. Step 6: Final answer
    x = 1,388.91

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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.