Home / 1,341.14-2,010.50-648.47

Finding the Fourth Proportional to 1,341.14, 2,010.50 and 648.47

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Solution

The fourth proportional to 1,341.14, 2,010.50 and 648.47 is: 972.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.14 : 2,010.50 = 648.47 : x
  2. Step 2: Convert to fraction form
    1,341.14/2,010.50 = 648.47/x
  3. Step 3: Cross multiply
    1,341.14x = 2,010.50 × 648.47
  4. Step 4: Simplify right side
    1,341.14x = 1,303,756.80
  5. Step 5: Solve for x
    x = 1,303,756.80/1,341.14
  6. Step 6: Final answer
    x = 972.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.