Home / 1,420.04-2,128.17-597.32

Finding the Fourth Proportional to 1,420.04, 2,128.17 and 597.32

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Solution

The fourth proportional to 1,420.04, 2,128.17 and 597.32 is: 895.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420.04 : 2,128.17 = 597.32 : x
  2. Step 2: Convert to fraction form
    1,420.04/2,128.17 = 597.32/x
  3. Step 3: Cross multiply
    1,420.04x = 2,128.17 × 597.32
  4. Step 4: Simplify right side
    1,420.04x = 1,271,198.50
  5. Step 5: Solve for x
    x = 1,271,198.50/1,420.04
  6. Step 6: Final answer
    x = 895.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.