Home / 2,029.72-2,801.18-1,145.74

Finding the Fourth Proportional to 2,029.72, 2,801.18 and 1,145.74

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Solution

The fourth proportional to 2,029.72, 2,801.18 and 1,145.74 is: 1,581.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029.72 : 2,801.18 = 1,145.74 : x
  2. Step 2: Convert to fraction form
    2,029.72/2,801.18 = 1,145.74/x
  3. Step 3: Cross multiply
    2,029.72x = 2,801.18 × 1,145.74
  4. Step 4: Simplify right side
    2,029.72x = 3,209,423.97
  5. Step 5: Solve for x
    x = 3,209,423.97/2,029.72
  6. Step 6: Final answer
    x = 1,581.22

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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.