Home / 3,646.70-5,030.72-2,387.28

Finding the Fourth Proportional to 3,646.70, 5,030.72 and 2,387.28

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Solution

The fourth proportional to 3,646.70, 5,030.72 and 2,387.28 is: 3,293.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,646.70 : 5,030.72 = 2,387.28 : x
  2. Step 2: Convert to fraction form
    3,646.70/5,030.72 = 2,387.28/x
  3. Step 3: Cross multiply
    3,646.70x = 5,030.72 × 2,387.28
  4. Step 4: Simplify right side
    3,646.70x = 12,009,737.24
  5. Step 5: Solve for x
    x = 12,009,737.24/3,646.70
  6. Step 6: Final answer
    x = 3,293.32

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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.