Home / 1,569.72-2,167.02-1,106.04

Finding the Fourth Proportional to 1,569.72, 2,167.02 and 1,106.04

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Solution

The fourth proportional to 1,569.72, 2,167.02 and 1,106.04 is: 1,526.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569.72 : 2,167.02 = 1,106.04 : x
  2. Step 2: Convert to fraction form
    1,569.72/2,167.02 = 1,106.04/x
  3. Step 3: Cross multiply
    1,569.72x = 2,167.02 × 1,106.04
  4. Step 4: Simplify right side
    1,569.72x = 2,396,810.80
  5. Step 5: Solve for x
    x = 2,396,810.80/1,569.72
  6. Step 6: Final answer
    x = 1,526.90

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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.