Home / 3,010.40-4,512.88-1,547.68

Finding the Fourth Proportional to 3,010.40, 4,512.88 and 1,547.68

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Solution

The fourth proportional to 3,010.40, 4,512.88 and 1,547.68 is: 2,320.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010.40 : 4,512.88 = 1,547.68 : x
  2. Step 2: Convert to fraction form
    3,010.40/4,512.88 = 1,547.68/x
  3. Step 3: Cross multiply
    3,010.40x = 4,512.88 × 1,547.68
  4. Step 4: Simplify right side
    3,010.40x = 6,984,494.12
  5. Step 5: Solve for x
    x = 6,984,494.12/3,010.40
  6. Step 6: Final answer
    x = 2,320.12

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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.