Home / 3,125.39-4,688.28-2,547.05

Finding the Fourth Proportional to 3,125.39, 4,688.28 and 2,547.05

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Solution

The fourth proportional to 3,125.39, 4,688.28 and 2,547.05 is: 3,820.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.39 : 4,688.28 = 2,547.05 : x
  2. Step 2: Convert to fraction form
    3,125.39/4,688.28 = 2,547.05/x
  3. Step 3: Cross multiply
    3,125.39x = 4,688.28 × 2,547.05
  4. Step 4: Simplify right side
    3,125.39x = 11,941,260.13
  5. Step 5: Solve for x
    x = 11,941,260.13/3,125.39
  6. Step 6: Final answer
    x = 3,820.73

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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.