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Finding the Fourth Proportional to 2,898.48, 4,344.12 and 1,356.24

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Solution

The fourth proportional to 2,898.48, 4,344.12 and 1,356.24 is: 2,032.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898.48 : 4,344.12 = 1,356.24 : x
  2. Step 2: Convert to fraction form
    2,898.48/4,344.12 = 1,356.24/x
  3. Step 3: Cross multiply
    2,898.48x = 4,344.12 × 1,356.24
  4. Step 4: Simplify right side
    2,898.48x = 5,891,669.31
  5. Step 5: Solve for x
    x = 5,891,669.31/2,898.48
  6. Step 6: Final answer
    x = 2,032.68

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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.