Home / 1,763.40-2,434.68-1,576.29

Finding the Fourth Proportional to 1,763.40, 2,434.68 and 1,576.29

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Solution

The fourth proportional to 1,763.40, 2,434.68 and 1,576.29 is: 2,176.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763.40 : 2,434.68 = 1,576.29 : x
  2. Step 2: Convert to fraction form
    1,763.40/2,434.68 = 1,576.29/x
  3. Step 3: Cross multiply
    1,763.40x = 2,434.68 × 1,576.29
  4. Step 4: Simplify right side
    1,763.40x = 3,837,761.74
  5. Step 5: Solve for x
    x = 3,837,761.74/1,763.40
  6. Step 6: Final answer
    x = 2,176.34

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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.