Home / 2,988.61-4,482.98-1,088.87

Finding the Fourth Proportional to 2,988.61, 4,482.98 and 1,088.87

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Solution

The fourth proportional to 2,988.61, 4,482.98 and 1,088.87 is: 1,633.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.61 : 4,482.98 = 1,088.87 : x
  2. Step 2: Convert to fraction form
    2,988.61/4,482.98 = 1,088.87/x
  3. Step 3: Cross multiply
    2,988.61x = 4,482.98 × 1,088.87
  4. Step 4: Simplify right side
    2,988.61x = 4,881,382.43
  5. Step 5: Solve for x
    x = 4,881,382.43/2,988.61
  6. Step 6: Final answer
    x = 1,633.33

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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.