Home / 2,431.48-3,646.68-700.24

Finding the Fourth Proportional to 2,431.48, 3,646.68 and 700.24

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Solution

The fourth proportional to 2,431.48, 3,646.68 and 700.24 is: 1,050.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431.48 : 3,646.68 = 700.24 : x
  2. Step 2: Convert to fraction form
    2,431.48/3,646.68 = 700.24/x
  3. Step 3: Cross multiply
    2,431.48x = 3,646.68 × 700.24
  4. Step 4: Simplify right side
    2,431.48x = 2,553,551.20
  5. Step 5: Solve for x
    x = 2,553,551.20/2,431.48
  6. Step 6: Final answer
    x = 1,050.20

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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.