Home / 3,042.09-4,190.40-2,547.45

Finding the Fourth Proportional to 3,042.09, 4,190.40 and 2,547.45

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Solution

The fourth proportional to 3,042.09, 4,190.40 and 2,547.45 is: 3,509.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042.09 : 4,190.40 = 2,547.45 : x
  2. Step 2: Convert to fraction form
    3,042.09/4,190.40 = 2,547.45/x
  3. Step 3: Cross multiply
    3,042.09x = 4,190.40 × 2,547.45
  4. Step 4: Simplify right side
    3,042.09x = 10,674,834.48
  5. Step 5: Solve for x
    x = 10,674,834.48/3,042.09
  6. Step 6: Final answer
    x = 3,509.05

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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.