Home / 1,410.45-2,115.14-565.89

Finding the Fourth Proportional to 1,410.45, 2,115.14 and 565.89

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Solution

The fourth proportional to 1,410.45, 2,115.14 and 565.89 is: 848.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410.45 : 2,115.14 = 565.89 : x
  2. Step 2: Convert to fraction form
    1,410.45/2,115.14 = 565.89/x
  3. Step 3: Cross multiply
    1,410.45x = 2,115.14 × 565.89
  4. Step 4: Simplify right side
    1,410.45x = 1,196,936.57
  5. Step 5: Solve for x
    x = 1,196,936.57/1,410.45
  6. Step 6: Final answer
    x = 848.62

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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.