Home / 2,355.52-3,250.40-1,307.52

Finding the Fourth Proportional to 2,355.52, 3,250.40 and 1,307.52

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Solution

The fourth proportional to 2,355.52, 3,250.40 and 1,307.52 is: 1,804.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.52 : 3,250.40 = 1,307.52 : x
  2. Step 2: Convert to fraction form
    2,355.52/3,250.40 = 1,307.52/x
  3. Step 3: Cross multiply
    2,355.52x = 3,250.40 × 1,307.52
  4. Step 4: Simplify right side
    2,355.52x = 4,249,963.01
  5. Step 5: Solve for x
    x = 4,249,963.01/2,355.52
  6. Step 6: Final answer
    x = 1,804.26

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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.