Home / 1,598.22-2,205.52-890.04

Finding the Fourth Proportional to 1,598.22, 2,205.52 and 890.04

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Solution

The fourth proportional to 1,598.22, 2,205.52 and 890.04 is: 1,228.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,598.22 : 2,205.52 = 890.04 : x
  2. Step 2: Convert to fraction form
    1,598.22/2,205.52 = 890.04/x
  3. Step 3: Cross multiply
    1,598.22x = 2,205.52 × 890.04
  4. Step 4: Simplify right side
    1,598.22x = 1,963,010.40
  5. Step 5: Solve for x
    x = 1,963,010.40/1,598.22
  6. Step 6: Final answer
    x = 1,228.25

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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.