Home / 2,346.84-3,514.80-1,420.32

Finding the Fourth Proportional to 2,346.84, 3,514.80 and 1,420.32

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Solution

The fourth proportional to 2,346.84, 3,514.80 and 1,420.32 is: 2,127.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,346.84 : 3,514.80 = 1,420.32 : x
  2. Step 2: Convert to fraction form
    2,346.84/3,514.80 = 1,420.32/x
  3. Step 3: Cross multiply
    2,346.84x = 3,514.80 × 1,420.32
  4. Step 4: Simplify right side
    2,346.84x = 4,992,140.74
  5. Step 5: Solve for x
    x = 4,992,140.74/2,346.84
  6. Step 6: Final answer
    x = 2,127.18

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1.5x scale

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.