Home / 1,695.47-2,533.49-1,292.53

Finding the Fourth Proportional to 1,695.47, 2,533.49 and 1,292.53

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Solution

The fourth proportional to 1,695.47, 2,533.49 and 1,292.53 is: 1,931.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695.47 : 2,533.49 = 1,292.53 : x
  2. Step 2: Convert to fraction form
    1,695.47/2,533.49 = 1,292.53/x
  3. Step 3: Cross multiply
    1,695.47x = 2,533.49 × 1,292.53
  4. Step 4: Simplify right side
    1,695.47x = 3,274,605.37
  5. Step 5: Solve for x
    x = 3,274,605.37/1,695.47
  6. Step 6: Final answer
    x = 1,931.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.