Home / 3,345.51-5,015.52-1,264.34

Finding the Fourth Proportional to 3,345.51, 5,015.52 and 1,264.34

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Solution

The fourth proportional to 3,345.51, 5,015.52 and 1,264.34 is: 1,895.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.51 : 5,015.52 = 1,264.34 : x
  2. Step 2: Convert to fraction form
    3,345.51/5,015.52 = 1,264.34/x
  3. Step 3: Cross multiply
    3,345.51x = 5,015.52 × 1,264.34
  4. Step 4: Simplify right side
    3,345.51x = 6,341,297.48
  5. Step 5: Solve for x
    x = 6,341,297.48/3,345.51
  6. Step 6: Final answer
    x = 1,895.47

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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.