Home / 2,358.20-3,248.58-1,985.24

Finding the Fourth Proportional to 2,358.20, 3,248.58 and 1,985.24

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Solution

The fourth proportional to 2,358.20, 3,248.58 and 1,985.24 is: 2,734.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358.20 : 3,248.58 = 1,985.24 : x
  2. Step 2: Convert to fraction form
    2,358.20/3,248.58 = 1,985.24/x
  3. Step 3: Cross multiply
    2,358.20x = 3,248.58 × 1,985.24
  4. Step 4: Simplify right side
    2,358.20x = 6,449,210.96
  5. Step 5: Solve for x
    x = 6,449,210.96/2,358.20
  6. Step 6: Final answer
    x = 2,734.80

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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.