Home / 1,440.37-1,988.51-1,341.96

Finding the Fourth Proportional to 1,440.37, 1,988.51 and 1,341.96

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Solution

The fourth proportional to 1,440.37, 1,988.51 and 1,341.96 is: 1,852.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440.37 : 1,988.51 = 1,341.96 : x
  2. Step 2: Convert to fraction form
    1,440.37/1,988.51 = 1,341.96/x
  3. Step 3: Cross multiply
    1,440.37x = 1,988.51 × 1,341.96
  4. Step 4: Simplify right side
    1,440.37x = 2,668,500.88
  5. Step 5: Solve for x
    x = 2,668,500.88/1,440.37
  6. Step 6: Final answer
    x = 1,852.65

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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.