Home / 2,430.68-3,354.48-1,840.28

Finding the Fourth Proportional to 2,430.68, 3,354.48 and 1,840.28

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Solution

The fourth proportional to 2,430.68, 3,354.48 and 1,840.28 is: 2,539.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430.68 : 3,354.48 = 1,840.28 : x
  2. Step 2: Convert to fraction form
    2,430.68/3,354.48 = 1,840.28/x
  3. Step 3: Cross multiply
    2,430.68x = 3,354.48 × 1,840.28
  4. Step 4: Simplify right side
    2,430.68x = 6,173,182.45
  5. Step 5: Solve for x
    x = 6,173,182.45/2,430.68
  6. Step 6: Final answer
    x = 2,539.69

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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.