Home / 2,402.25-3,315.12-1,470.75

Finding the Fourth Proportional to 2,402.25, 3,315.12 and 1,470.75

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Solution

The fourth proportional to 2,402.25, 3,315.12 and 1,470.75 is: 2,029.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,402.25 : 3,315.12 = 1,470.75 : x
  2. Step 2: Convert to fraction form
    2,402.25/3,315.12 = 1,470.75/x
  3. Step 3: Cross multiply
    2,402.25x = 3,315.12 × 1,470.75
  4. Step 4: Simplify right side
    2,402.25x = 4,875,712.74
  5. Step 5: Solve for x
    x = 4,875,712.74/2,402.25
  6. Step 6: Final answer
    x = 2,029.64

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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.