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Finding the Fourth Proportional to 1,847.52, 2,547.09 and 1,790.19

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Solution

The fourth proportional to 1,847.52, 2,547.09 and 1,790.19 is: 2,468.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,847.52 : 2,547.09 = 1,790.19 : x
  2. Step 2: Convert to fraction form
    1,847.52/2,547.09 = 1,790.19/x
  3. Step 3: Cross multiply
    1,847.52x = 2,547.09 × 1,790.19
  4. Step 4: Simplify right side
    1,847.52x = 4,559,775.05
  5. Step 5: Solve for x
    x = 4,559,775.05/1,847.52
  6. Step 6: Final answer
    x = 2,468.05

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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.