Home / 2,153.64-2,971.26-1,595.28

Finding the Fourth Proportional to 2,153.64, 2,971.26 and 1,595.28

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Solution

The fourth proportional to 2,153.64, 2,971.26 and 1,595.28 is: 2,200.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153.64 : 2,971.26 = 1,595.28 : x
  2. Step 2: Convert to fraction form
    2,153.64/2,971.26 = 1,595.28/x
  3. Step 3: Cross multiply
    2,153.64x = 2,971.26 × 1,595.28
  4. Step 4: Simplify right side
    2,153.64x = 4,739,991.65
  5. Step 5: Solve for x
    x = 4,739,991.65/2,153.64
  6. Step 6: Final answer
    x = 2,200.92

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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.