Home / 1,814.40-2,715.12-1,451.52

Finding the Fourth Proportional to 1,814.40, 2,715.12 and 1,451.52

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Solution

The fourth proportional to 1,814.40, 2,715.12 and 1,451.52 is: 2,172.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,814.40 : 2,715.12 = 1,451.52 : x
  2. Step 2: Convert to fraction form
    1,814.40/2,715.12 = 1,451.52/x
  3. Step 3: Cross multiply
    1,814.40x = 2,715.12 × 1,451.52
  4. Step 4: Simplify right side
    1,814.40x = 3,941,050.98
  5. Step 5: Solve for x
    x = 3,941,050.98/1,814.40
  6. Step 6: Final answer
    x = 2,172.10

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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.