Home / 2,285.42-3,154.75-1,402.41

Finding the Fourth Proportional to 2,285.42, 3,154.75 and 1,402.41

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Solution

The fourth proportional to 2,285.42, 3,154.75 and 1,402.41 is: 1,935.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.42 : 3,154.75 = 1,402.41 : x
  2. Step 2: Convert to fraction form
    2,285.42/3,154.75 = 1,402.41/x
  3. Step 3: Cross multiply
    2,285.42x = 3,154.75 × 1,402.41
  4. Step 4: Simplify right side
    2,285.42x = 4,424,261.27
  5. Step 5: Solve for x
    x = 4,424,261.27/2,285.42
  6. Step 6: Final answer
    x = 1,935.87

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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.