Home / 2,088.21-3,130.29-1,162.92

Finding the Fourth Proportional to 2,088.21, 3,130.29 and 1,162.92

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Solution

The fourth proportional to 2,088.21, 3,130.29 and 1,162.92 is: 1,743.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.21 : 3,130.29 = 1,162.92 : x
  2. Step 2: Convert to fraction form
    2,088.21/3,130.29 = 1,162.92/x
  3. Step 3: Cross multiply
    2,088.21x = 3,130.29 × 1,162.92
  4. Step 4: Simplify right side
    2,088.21x = 3,640,276.85
  5. Step 5: Solve for x
    x = 3,640,276.85/2,088.21
  6. Step 6: Final answer
    x = 1,743.25

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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.