Home / 3,493.48-5,242.02-1,547.05

Finding the Fourth Proportional to 3,493.48, 5,242.02 and 1,547.05

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Solution

The fourth proportional to 3,493.48, 5,242.02 and 1,547.05 is: 2,321.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493.48 : 5,242.02 = 1,547.05 : x
  2. Step 2: Convert to fraction form
    3,493.48/5,242.02 = 1,547.05/x
  3. Step 3: Cross multiply
    3,493.48x = 5,242.02 × 1,547.05
  4. Step 4: Simplify right side
    3,493.48x = 8,109,667.04
  5. Step 5: Solve for x
    x = 8,109,667.04/3,493.48
  6. Step 6: Final answer
    x = 2,321.37

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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.