Home / 1,564.40-2,357.36-1,296.52

Finding the Fourth Proportional to 1,564.40, 2,357.36 and 1,296.52

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Solution

The fourth proportional to 1,564.40, 2,357.36 and 1,296.52 is: 1,953.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564.40 : 2,357.36 = 1,296.52 : x
  2. Step 2: Convert to fraction form
    1,564.40/2,357.36 = 1,296.52/x
  3. Step 3: Cross multiply
    1,564.40x = 2,357.36 × 1,296.52
  4. Step 4: Simplify right side
    1,564.40x = 3,056,364.39
  5. Step 5: Solve for x
    x = 3,056,364.39/1,564.40
  6. Step 6: Final answer
    x = 1,953.70

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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.