Home / 3,030.36-4,182.32-2,612.40

Finding the Fourth Proportional to 3,030.36, 4,182.32 and 2,612.40

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Solution

The fourth proportional to 3,030.36, 4,182.32 and 2,612.40 is: 3,605.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.36 : 4,182.32 = 2,612.40 : x
  2. Step 2: Convert to fraction form
    3,030.36/4,182.32 = 2,612.40/x
  3. Step 3: Cross multiply
    3,030.36x = 4,182.32 × 2,612.40
  4. Step 4: Simplify right side
    3,030.36x = 10,925,892.77
  5. Step 5: Solve for x
    x = 10,925,892.77/3,030.36
  6. Step 6: Final answer
    x = 3,605.48

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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.