Home / 1,636.15-2,448.95-1,143.16

Finding the Fourth Proportional to 1,636.15, 2,448.95 and 1,143.16

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Solution

The fourth proportional to 1,636.15, 2,448.95 and 1,143.16 is: 1,711.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636.15 : 2,448.95 = 1,143.16 : x
  2. Step 2: Convert to fraction form
    1,636.15/2,448.95 = 1,143.16/x
  3. Step 3: Cross multiply
    1,636.15x = 2,448.95 × 1,143.16
  4. Step 4: Simplify right side
    1,636.15x = 2,799,529.84
  5. Step 5: Solve for x
    x = 2,799,529.84/1,636.15
  6. Step 6: Final answer
    x = 1,711.05

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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.