Home / 2,036.59-2,809.84-1,140.20

Finding the Fourth Proportional to 2,036.59, 2,809.84 and 1,140.20

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Solution

The fourth proportional to 2,036.59, 2,809.84 and 1,140.20 is: 1,573.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,036.59 : 2,809.84 = 1,140.20 : x
  2. Step 2: Convert to fraction form
    2,036.59/2,809.84 = 1,140.20/x
  3. Step 3: Cross multiply
    2,036.59x = 2,809.84 × 1,140.20
  4. Step 4: Simplify right side
    2,036.59x = 3,203,772.19
  5. Step 5: Solve for x
    x = 3,203,772.19/2,036.59
  6. Step 6: Final answer
    x = 1,573.11

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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.