Home / 1,800.40-2,482.92-1,137.04

Finding the Fourth Proportional to 1,800.40, 2,482.92 and 1,137.04

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Solution

The fourth proportional to 1,800.40, 2,482.92 and 1,137.04 is: 1,568.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800.40 : 2,482.92 = 1,137.04 : x
  2. Step 2: Convert to fraction form
    1,800.40/2,482.92 = 1,137.04/x
  3. Step 3: Cross multiply
    1,800.40x = 2,482.92 × 1,137.04
  4. Step 4: Simplify right side
    1,800.40x = 2,823,179.36
  5. Step 5: Solve for x
    x = 2,823,179.36/1,800.40
  6. Step 6: Final answer
    x = 1,568.08

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Double scale
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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.