Home / 2,298.32-3,448.80-981.99

Finding the Fourth Proportional to 2,298.32, 3,448.80 and 981.99

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Solution

The fourth proportional to 2,298.32, 3,448.80 and 981.99 is: 1,473.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,298.32 : 3,448.80 = 981.99 : x
  2. Step 2: Convert to fraction form
    2,298.32/3,448.80 = 981.99/x
  3. Step 3: Cross multiply
    2,298.32x = 3,448.80 × 981.99
  4. Step 4: Simplify right side
    2,298.32x = 3,386,687.11
  5. Step 5: Solve for x
    x = 3,386,687.11/2,298.32
  6. Step 6: Final answer
    x = 1,473.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.