Home / 1,598.23-2,205.51-899.59

Finding the Fourth Proportional to 1,598.23, 2,205.51 and 899.59

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Solution

The fourth proportional to 1,598.23, 2,205.51 and 899.59 is: 1,241.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,598.23 : 2,205.51 = 899.59 : x
  2. Step 2: Convert to fraction form
    1,598.23/2,205.51 = 899.59/x
  3. Step 3: Cross multiply
    1,598.23x = 2,205.51 × 899.59
  4. Step 4: Simplify right side
    1,598.23x = 1,984,054.74
  5. Step 5: Solve for x
    x = 1,984,054.74/1,598.23
  6. Step 6: Final answer
    x = 1,241.41

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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.