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Finding the Fourth Proportional to 3,064.60, 4,140.45 and 3,064.60

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Solution

The fourth proportional to 3,064.60, 4,140.45 and 3,064.60 is: 4,140.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,064.60 : 4,140.45 = 3,064.60 : x
  2. Step 2: Convert to fraction form
    3,064.60/4,140.45 = 3,064.60/x
  3. Step 3: Cross multiply
    3,064.60x = 4,140.45 × 3,064.60
  4. Step 4: Simplify right side
    3,064.60x = 12,688,823.07
  5. Step 5: Solve for x
    x = 12,688,823.07/3,064.60
  6. Step 6: Final answer
    x = 4,140.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.