Home / 4,312.80-5,948.40-3,653.28

Finding the Fourth Proportional to 4,312.80, 5,948.40 and 3,653.28

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Solution

The fourth proportional to 4,312.80, 5,948.40 and 3,653.28 is: 5,038.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,312.80 : 5,948.40 = 3,653.28 : x
  2. Step 2: Convert to fraction form
    4,312.80/5,948.40 = 3,653.28/x
  3. Step 3: Cross multiply
    4,312.80x = 5,948.40 × 3,653.28
  4. Step 4: Simplify right side
    4,312.80x = 21,731,170.75
  5. Step 5: Solve for x
    x = 21,731,170.75/4,312.80
  6. Step 6: Final answer
    x = 5,038.76

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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.