Home / 1,784.48-2,465.12-1,698.08

Finding the Fourth Proportional to 1,784.48, 2,465.12 and 1,698.08

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Solution

The fourth proportional to 1,784.48, 2,465.12 and 1,698.08 is: 2,345.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784.48 : 2,465.12 = 1,698.08 : x
  2. Step 2: Convert to fraction form
    1,784.48/2,465.12 = 1,698.08/x
  3. Step 3: Cross multiply
    1,784.48x = 2,465.12 × 1,698.08
  4. Step 4: Simplify right side
    1,784.48x = 4,185,970.97
  5. Step 5: Solve for x
    x = 4,185,970.97/1,784.48
  6. Step 6: Final answer
    x = 2,345.77

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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.