Home / 1,451.10-2,176.59-355.41

Finding the Fourth Proportional to 1,451.10, 2,176.59 and 355.41

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Solution

The fourth proportional to 1,451.10, 2,176.59 and 355.41 is: 533.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451.10 : 2,176.59 = 355.41 : x
  2. Step 2: Convert to fraction form
    1,451.10/2,176.59 = 355.41/x
  3. Step 3: Cross multiply
    1,451.10x = 2,176.59 × 355.41
  4. Step 4: Simplify right side
    1,451.10x = 773,581.85
  5. Step 5: Solve for x
    x = 773,581.85/1,451.10
  6. Step 6: Final answer
    x = 533.10

Related Problems

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.