Home / 2,270.02-3,132.84-1,386.42

Finding the Fourth Proportional to 2,270.02, 3,132.84 and 1,386.42

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Solution

The fourth proportional to 2,270.02, 3,132.84 and 1,386.42 is: 1,913.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.02 : 3,132.84 = 1,386.42 : x
  2. Step 2: Convert to fraction form
    2,270.02/3,132.84 = 1,386.42/x
  3. Step 3: Cross multiply
    2,270.02x = 3,132.84 × 1,386.42
  4. Step 4: Simplify right side
    2,270.02x = 4,343,432.03
  5. Step 5: Solve for x
    x = 4,343,432.03/2,270.02
  6. Step 6: Final answer
    x = 1,913.39

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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.