Home / 1,800.04-2,681.45-1,745.65

Finding the Fourth Proportional to 1,800.04, 2,681.45 and 1,745.65

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Solution

The fourth proportional to 1,800.04, 2,681.45 and 1,745.65 is: 2,600.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800.04 : 2,681.45 = 1,745.65 : x
  2. Step 2: Convert to fraction form
    1,800.04/2,681.45 = 1,745.65/x
  3. Step 3: Cross multiply
    1,800.04x = 2,681.45 × 1,745.65
  4. Step 4: Simplify right side
    1,800.04x = 4,680,873.19
  5. Step 5: Solve for x
    x = 4,680,873.19/1,800.04
  6. Step 6: Final answer
    x = 2,600.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.