Home / 2,848.40-3,933.24-1,802.32

Finding the Fourth Proportional to 2,848.40, 3,933.24 and 1,802.32

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Solution

The fourth proportional to 2,848.40, 3,933.24 and 1,802.32 is: 2,488.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.40 : 3,933.24 = 1,802.32 : x
  2. Step 2: Convert to fraction form
    2,848.40/3,933.24 = 1,802.32/x
  3. Step 3: Cross multiply
    2,848.40x = 3,933.24 × 1,802.32
  4. Step 4: Simplify right side
    2,848.40x = 7,088,957.12
  5. Step 5: Solve for x
    x = 7,088,957.12/2,848.40
  6. Step 6: Final answer
    x = 2,488.75

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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.