Home / 1,410.40-2,106.68-1,371.52

Finding the Fourth Proportional to 1,410.40, 2,106.68 and 1,371.52

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Solution

The fourth proportional to 1,410.40, 2,106.68 and 1,371.52 is: 2,048.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410.40 : 2,106.68 = 1,371.52 : x
  2. Step 2: Convert to fraction form
    1,410.40/2,106.68 = 1,371.52/x
  3. Step 3: Cross multiply
    1,410.40x = 2,106.68 × 1,371.52
  4. Step 4: Simplify right side
    1,410.40x = 2,889,353.75
  5. Step 5: Solve for x
    x = 2,889,353.75/1,410.40
  6. Step 6: Final answer
    x = 2,048.61

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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.