Home / 2,420.56-3,606.79-2,303.02

Finding the Fourth Proportional to 2,420.56, 3,606.79 and 2,303.02

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Solution

The fourth proportional to 2,420.56, 3,606.79 and 2,303.02 is: 3,431.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420.56 : 3,606.79 = 2,303.02 : x
  2. Step 2: Convert to fraction form
    2,420.56/3,606.79 = 2,303.02/x
  3. Step 3: Cross multiply
    2,420.56x = 3,606.79 × 2,303.02
  4. Step 4: Simplify right side
    2,420.56x = 8,306,509.51
  5. Step 5: Solve for x
    x = 8,306,509.51/2,420.56
  6. Step 6: Final answer
    x = 3,431.65

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1.5x scale

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.