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Finding the Fourth Proportional to 2,979.04, 4,495.24 and 2,859.16

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Solution

The fourth proportional to 2,979.04, 4,495.24 and 2,859.16 is: 4,314.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979.04 : 4,495.24 = 2,859.16 : x
  2. Step 2: Convert to fraction form
    2,979.04/4,495.24 = 2,859.16/x
  3. Step 3: Cross multiply
    2,979.04x = 4,495.24 × 2,859.16
  4. Step 4: Simplify right side
    2,979.04x = 12,852,610.40
  5. Step 5: Solve for x
    x = 12,852,610.40/2,979.04
  6. Step 6: Final answer
    x = 4,314.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.