Home / 1,925.09-2,887.26-626.25

Finding the Fourth Proportional to 1,925.09, 2,887.26 and 626.25

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Solution

The fourth proportional to 1,925.09, 2,887.26 and 626.25 is: 939.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925.09 : 2,887.26 = 626.25 : x
  2. Step 2: Convert to fraction form
    1,925.09/2,887.26 = 626.25/x
  3. Step 3: Cross multiply
    1,925.09x = 2,887.26 × 626.25
  4. Step 4: Simplify right side
    1,925.09x = 1,808,146.58
  5. Step 5: Solve for x
    x = 1,808,146.58/1,925.09
  6. Step 6: Final answer
    x = 939.25

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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.