Home / 2,988.96-4,484.16-1,041.28

Finding the Fourth Proportional to 2,988.96, 4,484.16 and 1,041.28

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Solution

The fourth proportional to 2,988.96, 4,484.16 and 1,041.28 is: 1,562.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.96 : 4,484.16 = 1,041.28 : x
  2. Step 2: Convert to fraction form
    2,988.96/4,484.16 = 1,041.28/x
  3. Step 3: Cross multiply
    2,988.96x = 4,484.16 × 1,041.28
  4. Step 4: Simplify right side
    2,988.96x = 4,669,266.12
  5. Step 5: Solve for x
    x = 4,669,266.12/2,988.96
  6. Step 6: Final answer
    x = 1,562.17

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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.