Home / 3,386.47-5,079.75-1,046.45

Finding the Fourth Proportional to 3,386.47, 5,079.75 and 1,046.45

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Solution

The fourth proportional to 3,386.47, 5,079.75 and 1,046.45 is: 1,569.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.47 : 5,079.75 = 1,046.45 : x
  2. Step 2: Convert to fraction form
    3,386.47/5,079.75 = 1,046.45/x
  3. Step 3: Cross multiply
    3,386.47x = 5,079.75 × 1,046.45
  4. Step 4: Simplify right side
    3,386.47x = 5,315,678.99
  5. Step 5: Solve for x
    x = 5,315,678.99/3,386.47
  6. Step 6: Final answer
    x = 1,569.68

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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.