Home / 3,710.30-5,564.10-1,245.20

Finding the Fourth Proportional to 3,710.30, 5,564.10 and 1,245.20

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Solution

The fourth proportional to 3,710.30, 5,564.10 and 1,245.20 is: 1,867.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710.30 : 5,564.10 = 1,245.20 : x
  2. Step 2: Convert to fraction form
    3,710.30/5,564.10 = 1,245.20/x
  3. Step 3: Cross multiply
    3,710.30x = 5,564.10 × 1,245.20
  4. Step 4: Simplify right side
    3,710.30x = 6,928,417.32
  5. Step 5: Solve for x
    x = 6,928,417.32/3,710.30
  6. Step 6: Final answer
    x = 1,867.35

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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.