Home / 1,683.02-2,522.75-1,098.47

Finding the Fourth Proportional to 1,683.02, 2,522.75 and 1,098.47

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Solution

The fourth proportional to 1,683.02, 2,522.75 and 1,098.47 is: 1,646.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683.02 : 2,522.75 = 1,098.47 : x
  2. Step 2: Convert to fraction form
    1,683.02/2,522.75 = 1,098.47/x
  3. Step 3: Cross multiply
    1,683.02x = 2,522.75 × 1,098.47
  4. Step 4: Simplify right side
    1,683.02x = 2,771,166.01
  5. Step 5: Solve for x
    x = 2,771,166.01/1,683.02
  6. Step 6: Final answer
    x = 1,646.54

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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.