Home / 2,825.16-4,237.20-977.46

Finding the Fourth Proportional to 2,825.16, 4,237.20 and 977.46

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Solution

The fourth proportional to 2,825.16, 4,237.20 and 977.46 is: 1,466.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.16 : 4,237.20 = 977.46 : x
  2. Step 2: Convert to fraction form
    2,825.16/4,237.20 = 977.46/x
  3. Step 3: Cross multiply
    2,825.16x = 4,237.20 × 977.46
  4. Step 4: Simplify right side
    2,825.16x = 4,141,693.51
  5. Step 5: Solve for x
    x = 4,141,693.51/2,825.16
  6. Step 6: Final answer
    x = 1,466.00

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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.