Home / 3,150.02-4,720.86-1,300.07

Finding the Fourth Proportional to 3,150.02, 4,720.86 and 1,300.07

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Solution

The fourth proportional to 3,150.02, 4,720.86 and 1,300.07 is: 1,948.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.02 : 4,720.86 = 1,300.07 : x
  2. Step 2: Convert to fraction form
    3,150.02/4,720.86 = 1,300.07/x
  3. Step 3: Cross multiply
    3,150.02x = 4,720.86 × 1,300.07
  4. Step 4: Simplify right side
    3,150.02x = 6,137,460.26
  5. Step 5: Solve for x
    x = 6,137,460.26/3,150.02
  6. Step 6: Final answer
    x = 1,948.39

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1.5x scale

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.