Home / 1,874.26-2,807.70-1,439.32

Finding the Fourth Proportional to 1,874.26, 2,807.70 and 1,439.32

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Solution

The fourth proportional to 1,874.26, 2,807.70 and 1,439.32 is: 2,156.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874.26 : 2,807.70 = 1,439.32 : x
  2. Step 2: Convert to fraction form
    1,874.26/2,807.70 = 1,439.32/x
  3. Step 3: Cross multiply
    1,874.26x = 2,807.70 × 1,439.32
  4. Step 4: Simplify right side
    1,874.26x = 4,041,178.76
  5. Step 5: Solve for x
    x = 4,041,178.76/1,874.26
  6. Step 6: Final answer
    x = 2,156.15

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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.