Home / 2,153.64-2,971.26-1,269.24

Finding the Fourth Proportional to 2,153.64, 2,971.26 and 1,269.24

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Solution

The fourth proportional to 2,153.64, 2,971.26 and 1,269.24 is: 1,751.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153.64 : 2,971.26 = 1,269.24 : x
  2. Step 2: Convert to fraction form
    2,153.64/2,971.26 = 1,269.24/x
  3. Step 3: Cross multiply
    2,153.64x = 2,971.26 × 1,269.24
  4. Step 4: Simplify right side
    2,153.64x = 3,771,242.04
  5. Step 5: Solve for x
    x = 3,771,242.04/2,153.64
  6. Step 6: Final answer
    x = 1,751.10

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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.