Home / 2,670.04-3,684.84-1,491.28

Finding the Fourth Proportional to 2,670.04, 3,684.84 and 1,491.28

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Solution

The fourth proportional to 2,670.04, 3,684.84 and 1,491.28 is: 2,058.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670.04 : 3,684.84 = 1,491.28 : x
  2. Step 2: Convert to fraction form
    2,670.04/3,684.84 = 1,491.28/x
  3. Step 3: Cross multiply
    2,670.04x = 3,684.84 × 1,491.28
  4. Step 4: Simplify right side
    2,670.04x = 5,495,128.20
  5. Step 5: Solve for x
    x = 5,495,128.20/2,670.04
  6. Step 6: Final answer
    x = 2,058.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.