Home / 1,569.72-2,164.95-1,010.25

Finding the Fourth Proportional to 1,569.72, 2,164.95 and 1,010.25

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Solution

The fourth proportional to 1,569.72, 2,164.95 and 1,010.25 is: 1,393.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569.72 : 2,164.95 = 1,010.25 : x
  2. Step 2: Convert to fraction form
    1,569.72/2,164.95 = 1,010.25/x
  3. Step 3: Cross multiply
    1,569.72x = 2,164.95 × 1,010.25
  4. Step 4: Simplify right side
    1,569.72x = 2,187,140.74
  5. Step 5: Solve for x
    x = 2,187,140.74/1,569.72
  6. Step 6: Final answer
    x = 1,393.33

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1.5x scale

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.