Home / 2,455.30-3,387.99-1,460.22

Finding the Fourth Proportional to 2,455.30, 3,387.99 and 1,460.22

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Solution

The fourth proportional to 2,455.30, 3,387.99 and 1,460.22 is: 2,014.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.30 : 3,387.99 = 1,460.22 : x
  2. Step 2: Convert to fraction form
    2,455.30/3,387.99 = 1,460.22/x
  3. Step 3: Cross multiply
    2,455.30x = 3,387.99 × 1,460.22
  4. Step 4: Simplify right side
    2,455.30x = 4,947,210.76
  5. Step 5: Solve for x
    x = 4,947,210.76/2,455.30
  6. Step 6: Final answer
    x = 2,014.91

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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.