Home / 2,827.70-3,903.57-1,885.07

Finding the Fourth Proportional to 2,827.70, 3,903.57 and 1,885.07

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Solution

The fourth proportional to 2,827.70, 3,903.57 and 1,885.07 is: 2,602.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.70 : 3,903.57 = 1,885.07 : x
  2. Step 2: Convert to fraction form
    2,827.70/3,903.57 = 1,885.07/x
  3. Step 3: Cross multiply
    2,827.70x = 3,903.57 × 1,885.07
  4. Step 4: Simplify right side
    2,827.70x = 7,358,473.76
  5. Step 5: Solve for x
    x = 7,358,473.76/2,827.70
  6. Step 6: Final answer
    x = 2,602.28

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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.