Home / 1,040.49-1,424.57-1,030.46

Finding the Fourth Proportional to 1,040.49, 1,424.57 and 1,030.46

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Solution

The fourth proportional to 1,040.49, 1,424.57 and 1,030.46 is: 1,410.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040.49 : 1,424.57 = 1,030.46 : x
  2. Step 2: Convert to fraction form
    1,040.49/1,424.57 = 1,030.46/x
  3. Step 3: Cross multiply
    1,040.49x = 1,424.57 × 1,030.46
  4. Step 4: Simplify right side
    1,040.49x = 1,467,950.13
  5. Step 5: Solve for x
    x = 1,467,950.13/1,040.49
  6. Step 6: Final answer
    x = 1,410.83

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.