Home / 1,536.09-2,119.76-837.46

Finding the Fourth Proportional to 1,536.09, 2,119.76 and 837.46

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Solution

The fourth proportional to 1,536.09, 2,119.76 and 837.46 is: 1,155.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536.09 : 2,119.76 = 837.46 : x
  2. Step 2: Convert to fraction form
    1,536.09/2,119.76 = 837.46/x
  3. Step 3: Cross multiply
    1,536.09x = 2,119.76 × 837.46
  4. Step 4: Simplify right side
    1,536.09x = 1,775,210.02
  5. Step 5: Solve for x
    x = 1,775,210.02/1,536.09
  6. Step 6: Final answer
    x = 1,155.67

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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.