Home / 3,087.60-4,631.40-1,548.24

Finding the Fourth Proportional to 3,087.60, 4,631.40 and 1,548.24

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Solution

The fourth proportional to 3,087.60, 4,631.40 and 1,548.24 is: 2,322.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.60 : 4,631.40 = 1,548.24 : x
  2. Step 2: Convert to fraction form
    3,087.60/4,631.40 = 1,548.24/x
  3. Step 3: Cross multiply
    3,087.60x = 4,631.40 × 1,548.24
  4. Step 4: Simplify right side
    3,087.60x = 7,170,518.74
  5. Step 5: Solve for x
    x = 7,170,518.74/3,087.60
  6. Step 6: Final answer
    x = 2,322.36

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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.