Home / 1,790.67-2,476.40-1,569.27

Finding the Fourth Proportional to 1,790.67, 2,476.40 and 1,569.27

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Solution

The fourth proportional to 1,790.67, 2,476.40 and 1,569.27 is: 2,170.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790.67 : 2,476.40 = 1,569.27 : x
  2. Step 2: Convert to fraction form
    1,790.67/2,476.40 = 1,569.27/x
  3. Step 3: Cross multiply
    1,790.67x = 2,476.40 × 1,569.27
  4. Step 4: Simplify right side
    1,790.67x = 3,886,132.38
  5. Step 5: Solve for x
    x = 3,886,132.38/1,790.67
  6. Step 6: Final answer
    x = 2,170.21

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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.