Home / 1,521.04-2,099.56-962.44

Finding the Fourth Proportional to 1,521.04, 2,099.56 and 962.44

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Solution

The fourth proportional to 1,521.04, 2,099.56 and 962.44 is: 1,328.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521.04 : 2,099.56 = 962.44 : x
  2. Step 2: Convert to fraction form
    1,521.04/2,099.56 = 962.44/x
  3. Step 3: Cross multiply
    1,521.04x = 2,099.56 × 962.44
  4. Step 4: Simplify right side
    1,521.04x = 2,020,700.53
  5. Step 5: Solve for x
    x = 2,020,700.53/1,521.04
  6. Step 6: Final answer
    x = 1,328.50

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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.