Home / 1,451.10-2,165.42-1,403.76

Finding the Fourth Proportional to 1,451.10, 2,165.42 and 1,403.76

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Solution

The fourth proportional to 1,451.10, 2,165.42 and 1,403.76 is: 2,094.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451.10 : 2,165.42 = 1,403.76 : x
  2. Step 2: Convert to fraction form
    1,451.10/2,165.42 = 1,403.76/x
  3. Step 3: Cross multiply
    1,451.10x = 2,165.42 × 1,403.76
  4. Step 4: Simplify right side
    1,451.10x = 3,039,722.96
  5. Step 5: Solve for x
    x = 3,039,722.96/1,451.10
  6. Step 6: Final answer
    x = 2,094.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.