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Finding the Fourth Proportional to 1,598.81, 2,206.37 and 900.19

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Solution

The fourth proportional to 1,598.81, 2,206.37 and 900.19 is: 1,242.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,598.81 : 2,206.37 = 900.19 : x
  2. Step 2: Convert to fraction form
    1,598.81/2,206.37 = 900.19/x
  3. Step 3: Cross multiply
    1,598.81x = 2,206.37 × 900.19
  4. Step 4: Simplify right side
    1,598.81x = 1,986,142.19
  5. Step 5: Solve for x
    x = 1,986,142.19/1,598.81
  6. Step 6: Final answer
    x = 1,242.26

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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.