Home / 2,362.08-3,257.28-1,430.40

Finding the Fourth Proportional to 2,362.08, 3,257.28 and 1,430.40

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Solution

The fourth proportional to 2,362.08, 3,257.28 and 1,430.40 is: 1,972.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,362.08 : 3,257.28 = 1,430.40 : x
  2. Step 2: Convert to fraction form
    2,362.08/3,257.28 = 1,430.40/x
  3. Step 3: Cross multiply
    2,362.08x = 3,257.28 × 1,430.40
  4. Step 4: Simplify right side
    2,362.08x = 4,659,213.31
  5. Step 5: Solve for x
    x = 4,659,213.31/2,362.08
  6. Step 6: Final answer
    x = 1,972.50

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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.