Home / 1,838.02-2,537.64-1,417.60

Finding the Fourth Proportional to 1,838.02, 2,537.64 and 1,417.60

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Solution

The fourth proportional to 1,838.02, 2,537.64 and 1,417.60 is: 1,957.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838.02 : 2,537.64 = 1,417.60 : x
  2. Step 2: Convert to fraction form
    1,838.02/2,537.64 = 1,417.60/x
  3. Step 3: Cross multiply
    1,838.02x = 2,537.64 × 1,417.60
  4. Step 4: Simplify right side
    1,838.02x = 3,597,358.46
  5. Step 5: Solve for x
    x = 3,597,358.46/1,838.02
  6. Step 6: Final answer
    x = 1,957.19

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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.