Home / 2,880.48-4,316.96-1,319.92

Finding the Fourth Proportional to 2,880.48, 4,316.96 and 1,319.92

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Solution

The fourth proportional to 2,880.48, 4,316.96 and 1,319.92 is: 1,978.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.48 : 4,316.96 = 1,319.92 : x
  2. Step 2: Convert to fraction form
    2,880.48/4,316.96 = 1,319.92/x
  3. Step 3: Cross multiply
    2,880.48x = 4,316.96 × 1,319.92
  4. Step 4: Simplify right side
    2,880.48x = 5,698,041.84
  5. Step 5: Solve for x
    x = 5,698,041.84/2,880.48
  6. Step 6: Final answer
    x = 1,978.16

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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.