Home / 2,159.44-2,980.92-1,461.22

Finding the Fourth Proportional to 2,159.44, 2,980.92 and 1,461.22

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Solution

The fourth proportional to 2,159.44, 2,980.92 and 1,461.22 is: 2,017.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159.44 : 2,980.92 = 1,461.22 : x
  2. Step 2: Convert to fraction form
    2,159.44/2,980.92 = 1,461.22/x
  3. Step 3: Cross multiply
    2,159.44x = 2,980.92 × 1,461.22
  4. Step 4: Simplify right side
    2,159.44x = 4,355,779.92
  5. Step 5: Solve for x
    x = 4,355,779.92/2,159.44
  6. Step 6: Final answer
    x = 2,017.09

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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.