Home / 1,569.72-2,345.55-1,197.48

Finding the Fourth Proportional to 1,569.72, 2,345.55 and 1,197.48

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Solution

The fourth proportional to 1,569.72, 2,345.55 and 1,197.48 is: 1,789.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569.72 : 2,345.55 = 1,197.48 : x
  2. Step 2: Convert to fraction form
    1,569.72/2,345.55 = 1,197.48/x
  3. Step 3: Cross multiply
    1,569.72x = 2,345.55 × 1,197.48
  4. Step 4: Simplify right side
    1,569.72x = 2,808,743.23
  5. Step 5: Solve for x
    x = 2,808,743.23/1,569.72
  6. Step 6: Final answer
    x = 1,789.33

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1.5x scale

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.