Home / 1,476.45-2,038.23-1,006.79

Finding the Fourth Proportional to 1,476.45, 2,038.23 and 1,006.79

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Solution

The fourth proportional to 1,476.45, 2,038.23 and 1,006.79 is: 1,389.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476.45 : 2,038.23 = 1,006.79 : x
  2. Step 2: Convert to fraction form
    1,476.45/2,038.23 = 1,006.79/x
  3. Step 3: Cross multiply
    1,476.45x = 2,038.23 × 1,006.79
  4. Step 4: Simplify right side
    1,476.45x = 2,052,059.39
  5. Step 5: Solve for x
    x = 2,052,059.39/1,476.45
  6. Step 6: Final answer
    x = 1,389.86

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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.