Home / 3,495.64-5,242.86-1,303.78

Finding the Fourth Proportional to 3,495.64, 5,242.86 and 1,303.78

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Solution

The fourth proportional to 3,495.64, 5,242.86 and 1,303.78 is: 1,955.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,495.64 : 5,242.86 = 1,303.78 : x
  2. Step 2: Convert to fraction form
    3,495.64/5,242.86 = 1,303.78/x
  3. Step 3: Cross multiply
    3,495.64x = 5,242.86 × 1,303.78
  4. Step 4: Simplify right side
    3,495.64x = 6,835,536.01
  5. Step 5: Solve for x
    x = 6,835,536.01/3,495.64
  6. Step 6: Final answer
    x = 1,955.45

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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.