Home / 3,125.04-4,688.18-1,276.16

Finding the Fourth Proportional to 3,125.04, 4,688.18 and 1,276.16

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Solution

The fourth proportional to 3,125.04, 4,688.18 and 1,276.16 is: 1,914.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.04 : 4,688.18 = 1,276.16 : x
  2. Step 2: Convert to fraction form
    3,125.04/4,688.18 = 1,276.16/x
  3. Step 3: Cross multiply
    3,125.04x = 4,688.18 × 1,276.16
  4. Step 4: Simplify right side
    3,125.04x = 5,982,867.79
  5. Step 5: Solve for x
    x = 5,982,867.79/3,125.04
  6. Step 6: Final answer
    x = 1,914.49

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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.