Home / 3,643.72-5,465.56-1,303.64

Finding the Fourth Proportional to 3,643.72, 5,465.56 and 1,303.64

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Solution

The fourth proportional to 3,643.72, 5,465.56 and 1,303.64 is: 1,955.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643.72 : 5,465.56 = 1,303.64 : x
  2. Step 2: Convert to fraction form
    3,643.72/5,465.56 = 1,303.64/x
  3. Step 3: Cross multiply
    3,643.72x = 5,465.56 × 1,303.64
  4. Step 4: Simplify right side
    3,643.72x = 7,125,122.64
  5. Step 5: Solve for x
    x = 7,125,122.64/3,643.72
  6. Step 6: Final answer
    x = 1,955.45

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1.5x scale

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.