Home / 1,805.47-2,698.66-1,569.36

Finding the Fourth Proportional to 1,805.47, 2,698.66 and 1,569.36

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Solution

The fourth proportional to 1,805.47, 2,698.66 and 1,569.36 is: 2,345.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805.47 : 2,698.66 = 1,569.36 : x
  2. Step 2: Convert to fraction form
    1,805.47/2,698.66 = 1,569.36/x
  3. Step 3: Cross multiply
    1,805.47x = 2,698.66 × 1,569.36
  4. Step 4: Simplify right side
    1,805.47x = 4,235,169.06
  5. Step 5: Solve for x
    x = 4,235,169.06/1,805.47
  6. Step 6: Final answer
    x = 2,345.74

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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.