Home / 1,501.47-2,074.01-1,253.61

Finding the Fourth Proportional to 1,501.47, 2,074.01 and 1,253.61

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Solution

The fourth proportional to 1,501.47, 2,074.01 and 1,253.61 is: 1,731.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501.47 : 2,074.01 = 1,253.61 : x
  2. Step 2: Convert to fraction form
    1,501.47/2,074.01 = 1,253.61/x
  3. Step 3: Cross multiply
    1,501.47x = 2,074.01 × 1,253.61
  4. Step 4: Simplify right side
    1,501.47x = 2,599,993.41
  5. Step 5: Solve for x
    x = 2,599,993.41/1,501.47
  6. Step 6: Final answer
    x = 1,731.63

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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.