Home / 2,430.02-3,642.96-1,113.33

Finding the Fourth Proportional to 2,430.02, 3,642.96 and 1,113.33

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Solution

The fourth proportional to 2,430.02, 3,642.96 and 1,113.33 is: 1,669.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430.02 : 3,642.96 = 1,113.33 : x
  2. Step 2: Convert to fraction form
    2,430.02/3,642.96 = 1,113.33/x
  3. Step 3: Cross multiply
    2,430.02x = 3,642.96 × 1,113.33
  4. Step 4: Simplify right side
    2,430.02x = 4,055,816.66
  5. Step 5: Solve for x
    x = 4,055,816.66/2,430.02
  6. Step 6: Final answer
    x = 1,669.05

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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.