Home / 1,810.26-2,497.55-1,147.02

Finding the Fourth Proportional to 1,810.26, 2,497.55 and 1,147.02

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Solution

The fourth proportional to 1,810.26, 2,497.55 and 1,147.02 is: 1,582.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810.26 : 2,497.55 = 1,147.02 : x
  2. Step 2: Convert to fraction form
    1,810.26/2,497.55 = 1,147.02/x
  3. Step 3: Cross multiply
    1,810.26x = 2,497.55 × 1,147.02
  4. Step 4: Simplify right side
    1,810.26x = 2,864,732.12
  5. Step 5: Solve for x
    x = 2,864,732.12/1,810.26
  6. Step 6: Final answer
    x = 1,582.50

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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.