Home / 2,839.34-3,918.02-1,580.30

Finding the Fourth Proportional to 2,839.34, 3,918.02 and 1,580.30

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Solution

The fourth proportional to 2,839.34, 3,918.02 and 1,580.30 is: 2,180.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839.34 : 3,918.02 = 1,580.30 : x
  2. Step 2: Convert to fraction form
    2,839.34/3,918.02 = 1,580.30/x
  3. Step 3: Cross multiply
    2,839.34x = 3,918.02 × 1,580.30
  4. Step 4: Simplify right side
    2,839.34x = 6,191,619.51
  5. Step 5: Solve for x
    x = 6,191,619.51/2,839.34
  6. Step 6: Final answer
    x = 2,180.66

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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.