Home / 2,125.04-3,188.44-1,303.34

Finding the Fourth Proportional to 2,125.04, 3,188.44 and 1,303.34

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Solution

The fourth proportional to 2,125.04, 3,188.44 and 1,303.34 is: 1,955.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125.04 : 3,188.44 = 1,303.34 : x
  2. Step 2: Convert to fraction form
    2,125.04/3,188.44 = 1,303.34/x
  3. Step 3: Cross multiply
    2,125.04x = 3,188.44 × 1,303.34
  4. Step 4: Simplify right side
    2,125.04x = 4,155,621.39
  5. Step 5: Solve for x
    x = 4,155,621.39/2,125.04
  6. Step 6: Final answer
    x = 1,955.55

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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.