Home / 1,760.70-2,429.31-1,130.94

Finding the Fourth Proportional to 1,760.70, 2,429.31 and 1,130.94

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Solution

The fourth proportional to 1,760.70, 2,429.31 and 1,130.94 is: 1,560.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760.70 : 2,429.31 = 1,130.94 : x
  2. Step 2: Convert to fraction form
    1,760.70/2,429.31 = 1,130.94/x
  3. Step 3: Cross multiply
    1,760.70x = 2,429.31 × 1,130.94
  4. Step 4: Simplify right side
    1,760.70x = 2,747,403.85
  5. Step 5: Solve for x
    x = 2,747,403.85/1,760.70
  6. Step 6: Final answer
    x = 1,560.40

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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.