Home / 3,270.36-4,904.02-1,420.53

Finding the Fourth Proportional to 3,270.36, 4,904.02 and 1,420.53

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Solution

The fourth proportional to 3,270.36, 4,904.02 and 1,420.53 is: 2,130.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.36 : 4,904.02 = 1,420.53 : x
  2. Step 2: Convert to fraction form
    3,270.36/4,904.02 = 1,420.53/x
  3. Step 3: Cross multiply
    3,270.36x = 4,904.02 × 1,420.53
  4. Step 4: Simplify right side
    3,270.36x = 6,966,307.53
  5. Step 5: Solve for x
    x = 6,966,307.53/3,270.36
  6. Step 6: Final answer
    x = 2,130.13

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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.