Home / 3,116.95-4,671.53-1,557.39

Finding the Fourth Proportional to 3,116.95, 4,671.53 and 1,557.39

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Solution

The fourth proportional to 3,116.95, 4,671.53 and 1,557.39 is: 2,334.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.95 : 4,671.53 = 1,557.39 : x
  2. Step 2: Convert to fraction form
    3,116.95/4,671.53 = 1,557.39/x
  3. Step 3: Cross multiply
    3,116.95x = 4,671.53 × 1,557.39
  4. Step 4: Simplify right side
    3,116.95x = 7,275,386.32
  5. Step 5: Solve for x
    x = 7,275,386.32/3,116.95
  6. Step 6: Final answer
    x = 2,334.14

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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.