Home / 2,670.30-3,684.90-1,491.35

Finding the Fourth Proportional to 2,670.30, 3,684.90 and 1,491.35

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Solution

The fourth proportional to 2,670.30, 3,684.90 and 1,491.35 is: 2,058.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670.30 : 3,684.90 = 1,491.35 : x
  2. Step 2: Convert to fraction form
    2,670.30/3,684.90 = 1,491.35/x
  3. Step 3: Cross multiply
    2,670.30x = 3,684.90 × 1,491.35
  4. Step 4: Simplify right side
    2,670.30x = 5,495,475.62
  5. Step 5: Solve for x
    x = 5,495,475.62/2,670.30
  6. Step 6: Final answer
    x = 2,058.00

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1.5x scale

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.