Home / 1,588.11-2,192.16-1,292.86

Finding the Fourth Proportional to 1,588.11, 2,192.16 and 1,292.86

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Solution

The fourth proportional to 1,588.11, 2,192.16 and 1,292.86 is: 1,784.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.11 : 2,192.16 = 1,292.86 : x
  2. Step 2: Convert to fraction form
    1,588.11/2,192.16 = 1,292.86/x
  3. Step 3: Cross multiply
    1,588.11x = 2,192.16 × 1,292.86
  4. Step 4: Simplify right side
    1,588.11x = 2,834,155.98
  5. Step 5: Solve for x
    x = 2,834,155.98/1,588.11
  6. Step 6: Final answer
    x = 1,784.61

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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.