Home / 2,325.10-3,208.62-1,277.16

Finding the Fourth Proportional to 2,325.10, 3,208.62 and 1,277.16

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Solution

The fourth proportional to 2,325.10, 3,208.62 and 1,277.16 is: 1,762.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,325.10 : 3,208.62 = 1,277.16 : x
  2. Step 2: Convert to fraction form
    2,325.10/3,208.62 = 1,277.16/x
  3. Step 3: Cross multiply
    2,325.10x = 3,208.62 × 1,277.16
  4. Step 4: Simplify right side
    2,325.10x = 4,097,921.12
  5. Step 5: Solve for x
    x = 4,097,921.12/2,325.10
  6. Step 6: Final answer
    x = 1,762.47

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Double scale
Find fourth proportional to 2,326.10, 3,210 and 1,278.16
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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.