Home / 1,563.60-2,160.30-1,548.24

Finding the Fourth Proportional to 1,563.60, 2,160.30 and 1,548.24

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Solution

The fourth proportional to 1,563.60, 2,160.30 and 1,548.24 is: 2,139.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563.60 : 2,160.30 = 1,548.24 : x
  2. Step 2: Convert to fraction form
    1,563.60/2,160.30 = 1,548.24/x
  3. Step 3: Cross multiply
    1,563.60x = 2,160.30 × 1,548.24
  4. Step 4: Simplify right side
    1,563.60x = 3,344,662.87
  5. Step 5: Solve for x
    x = 3,344,662.87/1,563.60
  6. Step 6: Final answer
    x = 2,139.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.