Home / 2,132.10-2,977.65-2,132.10

Finding the Fourth Proportional to 2,132.10, 2,977.65 and 2,132.10

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Solution

The fourth proportional to 2,132.10, 2,977.65 and 2,132.10 is: 2,977.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.10 : 2,977.65 = 2,132.10 : x
  2. Step 2: Convert to fraction form
    2,132.10/2,977.65 = 2,132.10/x
  3. Step 3: Cross multiply
    2,132.10x = 2,977.65 × 2,132.10
  4. Step 4: Simplify right side
    2,132.10x = 6,348,647.57
  5. Step 5: Solve for x
    x = 6,348,647.57/2,132.10
  6. Step 6: Final answer
    x = 2,977.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.