Home / 4,379.84-6,044.08-2,390.40

Finding the Fourth Proportional to 4,379.84, 6,044.08 and 2,390.40

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Solution

The fourth proportional to 4,379.84, 6,044.08 and 2,390.40 is: 3,298.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,379.84 : 6,044.08 = 2,390.40 : x
  2. Step 2: Convert to fraction form
    4,379.84/6,044.08 = 2,390.40/x
  3. Step 3: Cross multiply
    4,379.84x = 6,044.08 × 2,390.40
  4. Step 4: Simplify right side
    4,379.84x = 14,447,768.83
  5. Step 5: Solve for x
    x = 14,447,768.83/4,379.84
  6. Step 6: Final answer
    x = 3,298.70

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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.