Home / 3,038.90-4,193.58-1,712.58

Finding the Fourth Proportional to 3,038.90, 4,193.58 and 1,712.58

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Solution

The fourth proportional to 3,038.90, 4,193.58 and 1,712.58 is: 2,363.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.90 : 4,193.58 = 1,712.58 : x
  2. Step 2: Convert to fraction form
    3,038.90/4,193.58 = 1,712.58/x
  3. Step 3: Cross multiply
    3,038.90x = 4,193.58 × 1,712.58
  4. Step 4: Simplify right side
    3,038.90x = 7,181,831.93
  5. Step 5: Solve for x
    x = 7,181,831.93/3,038.90
  6. Step 6: Final answer
    x = 2,363.30

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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.