Home / 1,837.60-2,535.52-1,091.68

Finding the Fourth Proportional to 1,837.60, 2,535.52 and 1,091.68

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Solution

The fourth proportional to 1,837.60, 2,535.52 and 1,091.68 is: 1,506.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837.60 : 2,535.52 = 1,091.68 : x
  2. Step 2: Convert to fraction form
    1,837.60/2,535.52 = 1,091.68/x
  3. Step 3: Cross multiply
    1,837.60x = 2,535.52 × 1,091.68
  4. Step 4: Simplify right side
    1,837.60x = 2,767,976.47
  5. Step 5: Solve for x
    x = 2,767,976.47/1,837.60
  6. Step 6: Final answer
    x = 1,506.30

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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.