Home / 1,389.04-2,094-1,295.08

Finding the Fourth Proportional to 1,389.04, 2,094 and 1,295.08

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Solution

The fourth proportional to 1,389.04, 2,094 and 1,295.08 is: 1,952.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389.04 : 2,094 = 1,295.08 : x
  2. Step 2: Convert to fraction form
    1,389.04/2,094 = 1,295.08/x
  3. Step 3: Cross multiply
    1,389.04x = 2,094 × 1,295.08
  4. Step 4: Simplify right side
    1,389.04x = 2,711,897.52
  5. Step 5: Solve for x
    x = 2,711,897.52/1,389.04
  6. Step 6: Final answer
    x = 1,952.35

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.