Home / 2,347.04-3,238.88-1,299.12

Finding the Fourth Proportional to 2,347.04, 3,238.88 and 1,299.12

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Solution

The fourth proportional to 2,347.04, 3,238.88 and 1,299.12 is: 1,792.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.04 : 3,238.88 = 1,299.12 : x
  2. Step 2: Convert to fraction form
    2,347.04/3,238.88 = 1,299.12/x
  3. Step 3: Cross multiply
    2,347.04x = 3,238.88 × 1,299.12
  4. Step 4: Simplify right side
    2,347.04x = 4,207,693.79
  5. Step 5: Solve for x
    x = 4,207,693.79/2,347.04
  6. Step 6: Final answer
    x = 1,792.77

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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.