Home / 1,666.23-2,498.21-626.04

Finding the Fourth Proportional to 1,666.23, 2,498.21 and 626.04

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Solution

The fourth proportional to 1,666.23, 2,498.21 and 626.04 is: 938.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666.23 : 2,498.21 = 626.04 : x
  2. Step 2: Convert to fraction form
    1,666.23/2,498.21 = 626.04/x
  3. Step 3: Cross multiply
    1,666.23x = 2,498.21 × 626.04
  4. Step 4: Simplify right side
    1,666.23x = 1,563,979.39
  5. Step 5: Solve for x
    x = 1,563,979.39/1,666.23
  6. Step 6: Final answer
    x = 938.63

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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.