Home / 1,575.41-2,365.81-1,400.11

Finding the Fourth Proportional to 1,575.41, 2,365.81 and 1,400.11

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Solution

The fourth proportional to 1,575.41, 2,365.81 and 1,400.11 is: 2,102.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575.41 : 2,365.81 = 1,400.11 : x
  2. Step 2: Convert to fraction form
    1,575.41/2,365.81 = 1,400.11/x
  3. Step 3: Cross multiply
    1,575.41x = 2,365.81 × 1,400.11
  4. Step 4: Simplify right side
    1,575.41x = 3,312,384.82
  5. Step 5: Solve for x
    x = 3,312,384.82/1,575.41
  6. Step 6: Final answer
    x = 2,102.56

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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.