Home / 4,988.57-7,482.93-2,390.90

Finding the Fourth Proportional to 4,988.57, 7,482.93 and 2,390.90

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Solution

The fourth proportional to 4,988.57, 7,482.93 and 2,390.90 is: 3,586.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.57 : 7,482.93 = 2,390.90 : x
  2. Step 2: Convert to fraction form
    4,988.57/7,482.93 = 2,390.90/x
  3. Step 3: Cross multiply
    4,988.57x = 7,482.93 × 2,390.90
  4. Step 4: Simplify right side
    4,988.57x = 17,890,956.04
  5. Step 5: Solve for x
    x = 17,890,956.04/4,988.57
  6. Step 6: Final answer
    x = 3,586.39

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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.