Home / 2,988.39-4,483.53-1,407.27

Finding the Fourth Proportional to 2,988.39, 4,483.53 and 1,407.27

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Solution

The fourth proportional to 2,988.39, 4,483.53 and 1,407.27 is: 2,111.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.39 : 4,483.53 = 1,407.27 : x
  2. Step 2: Convert to fraction form
    2,988.39/4,483.53 = 1,407.27/x
  3. Step 3: Cross multiply
    2,988.39x = 4,483.53 × 1,407.27
  4. Step 4: Simplify right side
    2,988.39x = 6,309,537.26
  5. Step 5: Solve for x
    x = 6,309,537.26/2,988.39
  6. Step 6: Final answer
    x = 2,111.35

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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.