Home / 1,552.99-2,141.65-1,020.93

Finding the Fourth Proportional to 1,552.99, 2,141.65 and 1,020.93

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Solution

The fourth proportional to 1,552.99, 2,141.65 and 1,020.93 is: 1,407.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552.99 : 2,141.65 = 1,020.93 : x
  2. Step 2: Convert to fraction form
    1,552.99/2,141.65 = 1,020.93/x
  3. Step 3: Cross multiply
    1,552.99x = 2,141.65 × 1,020.93
  4. Step 4: Simplify right side
    1,552.99x = 2,186,474.73
  5. Step 5: Solve for x
    x = 2,186,474.73/1,552.99
  6. Step 6: Final answer
    x = 1,407.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.