Home / 3,038.16-4,191-2,152.46

Finding the Fourth Proportional to 3,038.16, 4,191 and 2,152.46

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Solution

The fourth proportional to 3,038.16, 4,191 and 2,152.46 is: 2,969.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.16 : 4,191 = 2,152.46 : x
  2. Step 2: Convert to fraction form
    3,038.16/4,191 = 2,152.46/x
  3. Step 3: Cross multiply
    3,038.16x = 4,191 × 2,152.46
  4. Step 4: Simplify right side
    3,038.16x = 9,020,959.86
  5. Step 5: Solve for x
    x = 9,020,959.86/3,038.16
  6. Step 6: Final answer
    x = 2,969.22

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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.