Home / 1,807.38-2,708.28-1,342.98

Finding the Fourth Proportional to 1,807.38, 2,708.28 and 1,342.98

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Solution

The fourth proportional to 1,807.38, 2,708.28 and 1,342.98 is: 2,012.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807.38 : 2,708.28 = 1,342.98 : x
  2. Step 2: Convert to fraction form
    1,807.38/2,708.28 = 1,342.98/x
  3. Step 3: Cross multiply
    1,807.38x = 2,708.28 × 1,342.98
  4. Step 4: Simplify right side
    1,807.38x = 3,637,165.87
  5. Step 5: Solve for x
    x = 3,637,165.87/1,807.38
  6. Step 6: Final answer
    x = 2,012.40

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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.