Home / 1,569.55-2,167.45-1,010.99

Finding the Fourth Proportional to 1,569.55, 2,167.45 and 1,010.99

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Solution

The fourth proportional to 1,569.55, 2,167.45 and 1,010.99 is: 1,396.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569.55 : 2,167.45 = 1,010.99 : x
  2. Step 2: Convert to fraction form
    1,569.55/2,167.45 = 1,010.99/x
  3. Step 3: Cross multiply
    1,569.55x = 2,167.45 × 1,010.99
  4. Step 4: Simplify right side
    1,569.55x = 2,191,270.28
  5. Step 5: Solve for x
    x = 2,191,270.28/1,569.55
  6. Step 6: Final answer
    x = 1,396.11

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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.