Home / 2,032.80-2,805.08-1,148.68

Finding the Fourth Proportional to 2,032.80, 2,805.08 and 1,148.68

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Solution

The fourth proportional to 2,032.80, 2,805.08 and 1,148.68 is: 1,585.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,032.80 : 2,805.08 = 1,148.68 : x
  2. Step 2: Convert to fraction form
    2,032.80/2,805.08 = 1,148.68/x
  3. Step 3: Cross multiply
    2,032.80x = 2,805.08 × 1,148.68
  4. Step 4: Simplify right side
    2,032.80x = 3,222,139.29
  5. Step 5: Solve for x
    x = 3,222,139.29/2,032.80
  6. Step 6: Final answer
    x = 1,585.07

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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.