Home / 2,990.81-4,482.26-1,510.02

Finding the Fourth Proportional to 2,990.81, 4,482.26 and 1,510.02

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Solution

The fourth proportional to 2,990.81, 4,482.26 and 1,510.02 is: 2,263.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990.81 : 4,482.26 = 1,510.02 : x
  2. Step 2: Convert to fraction form
    2,990.81/4,482.26 = 1,510.02/x
  3. Step 3: Cross multiply
    2,990.81x = 4,482.26 × 1,510.02
  4. Step 4: Simplify right side
    2,990.81x = 6,768,294.70
  5. Step 5: Solve for x
    x = 6,768,294.70/2,990.81
  6. Step 6: Final answer
    x = 2,263.03

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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.