Home / 2,852.36-3,934.56-1,802.60

Finding the Fourth Proportional to 2,852.36, 3,934.56 and 1,802.60

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Solution

The fourth proportional to 2,852.36, 3,934.56 and 1,802.60 is: 2,486.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,852.36 : 3,934.56 = 1,802.60 : x
  2. Step 2: Convert to fraction form
    2,852.36/3,934.56 = 1,802.60/x
  3. Step 3: Cross multiply
    2,852.36x = 3,934.56 × 1,802.60
  4. Step 4: Simplify right side
    2,852.36x = 7,092,437.86
  5. Step 5: Solve for x
    x = 7,092,437.86/2,852.36
  6. Step 6: Final answer
    x = 2,486.52

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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.