Home / 1,707.80-2,562.64-1,299.46

Finding the Fourth Proportional to 1,707.80, 2,562.64 and 1,299.46

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Solution

The fourth proportional to 1,707.80, 2,562.64 and 1,299.46 is: 1,949.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707.80 : 2,562.64 = 1,299.46 : x
  2. Step 2: Convert to fraction form
    1,707.80/2,562.64 = 1,299.46/x
  3. Step 3: Cross multiply
    1,707.80x = 2,562.64 × 1,299.46
  4. Step 4: Simplify right side
    1,707.80x = 3,330,048.17
  5. Step 5: Solve for x
    x = 3,330,048.17/1,707.80
  6. Step 6: Final answer
    x = 1,949.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.