Home / 2,088.45-2,884.00-1,343.70

Finding the Fourth Proportional to 2,088.45, 2,884.00 and 1,343.70

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Solution

The fourth proportional to 2,088.45, 2,884.00 and 1,343.70 is: 1,855.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.45 : 2,884.00 = 1,343.70 : x
  2. Step 2: Convert to fraction form
    2,088.45/2,884.00 = 1,343.70/x
  3. Step 3: Cross multiply
    2,088.45x = 2,884.00 × 1,343.70
  4. Step 4: Simplify right side
    2,088.45x = 3,875,224.08
  5. Step 5: Solve for x
    x = 3,875,224.08/2,088.45
  6. Step 6: Final answer
    x = 1,855.55

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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.