Home / 1,432.68-2,130.77-1,417.32

Finding the Fourth Proportional to 1,432.68, 2,130.77 and 1,417.32

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Solution

The fourth proportional to 1,432.68, 2,130.77 and 1,417.32 is: 2,107.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432.68 : 2,130.77 = 1,417.32 : x
  2. Step 2: Convert to fraction form
    1,432.68/2,130.77 = 1,417.32/x
  3. Step 3: Cross multiply
    1,432.68x = 2,130.77 × 1,417.32
  4. Step 4: Simplify right side
    1,432.68x = 3,019,982.94
  5. Step 5: Solve for x
    x = 3,019,982.94/1,432.68
  6. Step 6: Final answer
    x = 2,107.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.