Home / 1,535.96-2,119.61-837.33

Finding the Fourth Proportional to 1,535.96, 2,119.61 and 837.33

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Solution

The fourth proportional to 1,535.96, 2,119.61 and 837.33 is: 1,155.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535.96 : 2,119.61 = 837.33 : x
  2. Step 2: Convert to fraction form
    1,535.96/2,119.61 = 837.33/x
  3. Step 3: Cross multiply
    1,535.96x = 2,119.61 × 837.33
  4. Step 4: Simplify right side
    1,535.96x = 1,774,815.13
  5. Step 5: Solve for x
    x = 1,774,815.13/1,535.96
  6. Step 6: Final answer
    x = 1,155.51

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1.5x scale

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.