Home / 1,488.12-2,055.21-1,160.46

Finding the Fourth Proportional to 1,488.12, 2,055.21 and 1,160.46

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Solution

The fourth proportional to 1,488.12, 2,055.21 and 1,160.46 is: 1,602.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488.12 : 2,055.21 = 1,160.46 : x
  2. Step 2: Convert to fraction form
    1,488.12/2,055.21 = 1,160.46/x
  3. Step 3: Cross multiply
    1,488.12x = 2,055.21 × 1,160.46
  4. Step 4: Simplify right side
    1,488.12x = 2,384,989.00
  5. Step 5: Solve for x
    x = 2,384,989.00/1,488.12
  6. Step 6: Final answer
    x = 1,602.69

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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.