Home / 2,331.56-3,216.02-1,400.06

Finding the Fourth Proportional to 2,331.56, 3,216.02 and 1,400.06

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Solution

The fourth proportional to 2,331.56, 3,216.02 and 1,400.06 is: 1,931.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.56 : 3,216.02 = 1,400.06 : x
  2. Step 2: Convert to fraction form
    2,331.56/3,216.02 = 1,400.06/x
  3. Step 3: Cross multiply
    2,331.56x = 3,216.02 × 1,400.06
  4. Step 4: Simplify right side
    2,331.56x = 4,502,620.96
  5. Step 5: Solve for x
    x = 4,502,620.96/2,331.56
  6. Step 6: Final answer
    x = 1,931.16

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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.