Home / 3,030.10-4,170.15-2,564.13

Finding the Fourth Proportional to 3,030.10, 4,170.15 and 2,564.13

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Solution

The fourth proportional to 3,030.10, 4,170.15 and 2,564.13 is: 3,528.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.10 : 4,170.15 = 2,564.13 : x
  2. Step 2: Convert to fraction form
    3,030.10/4,170.15 = 2,564.13/x
  3. Step 3: Cross multiply
    3,030.10x = 4,170.15 × 2,564.13
  4. Step 4: Simplify right side
    3,030.10x = 10,692,806.72
  5. Step 5: Solve for x
    x = 10,692,806.72/3,030.10
  6. Step 6: Final answer
    x = 3,528.86

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Half scale
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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.