Home / 1,349.30-2,010.02-1,308.51

Finding the Fourth Proportional to 1,349.30, 2,010.02 and 1,308.51

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Solution

The fourth proportional to 1,349.30, 2,010.02 and 1,308.51 is: 1,949.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349.30 : 2,010.02 = 1,308.51 : x
  2. Step 2: Convert to fraction form
    1,349.30/2,010.02 = 1,308.51/x
  3. Step 3: Cross multiply
    1,349.30x = 2,010.02 × 1,308.51
  4. Step 4: Simplify right side
    1,349.30x = 2,630,131.27
  5. Step 5: Solve for x
    x = 2,630,131.27/1,349.30
  6. Step 6: Final answer
    x = 1,949.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.