Home / 2,088.28-2,884.19-1,423.99

Finding the Fourth Proportional to 2,088.28, 2,884.19 and 1,423.99

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Solution

The fourth proportional to 2,088.28, 2,884.19 and 1,423.99 is: 1,966.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.28 : 2,884.19 = 1,423.99 : x
  2. Step 2: Convert to fraction form
    2,088.28/2,884.19 = 1,423.99/x
  3. Step 3: Cross multiply
    2,088.28x = 2,884.19 × 1,423.99
  4. Step 4: Simplify right side
    2,088.28x = 4,107,057.72
  5. Step 5: Solve for x
    x = 4,107,057.72/2,088.28
  6. Step 6: Final answer
    x = 1,966.72

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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.