Home / 2,703.60-4,055.32-1,242.32

Finding the Fourth Proportional to 2,703.60, 4,055.32 and 1,242.32

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Solution

The fourth proportional to 2,703.60, 4,055.32 and 1,242.32 is: 1,863.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,703.60 : 4,055.32 = 1,242.32 : x
  2. Step 2: Convert to fraction form
    2,703.60/4,055.32 = 1,242.32/x
  3. Step 3: Cross multiply
    2,703.60x = 4,055.32 × 1,242.32
  4. Step 4: Simplify right side
    2,703.60x = 5,038,005.14
  5. Step 5: Solve for x
    x = 5,038,005.14/2,703.60
  6. Step 6: Final answer
    x = 1,863.44

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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.