Home / 1,489.14-2,053.13-1,237.02

Finding the Fourth Proportional to 1,489.14, 2,053.13 and 1,237.02

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Solution

The fourth proportional to 1,489.14, 2,053.13 and 1,237.02 is: 1,705.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489.14 : 2,053.13 = 1,237.02 : x
  2. Step 2: Convert to fraction form
    1,489.14/2,053.13 = 1,237.02/x
  3. Step 3: Cross multiply
    1,489.14x = 2,053.13 × 1,237.02
  4. Step 4: Simplify right side
    1,489.14x = 2,539,756.69
  5. Step 5: Solve for x
    x = 2,539,756.69/1,489.14
  6. Step 6: Final answer
    x = 1,705.52

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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.