Home / 1,569.06-2,350.35-1,386.90

Finding the Fourth Proportional to 1,569.06, 2,350.35 and 1,386.90

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Solution

The fourth proportional to 1,569.06, 2,350.35 and 1,386.90 is: 2,077.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569.06 : 2,350.35 = 1,386.90 : x
  2. Step 2: Convert to fraction form
    1,569.06/2,350.35 = 1,386.90/x
  3. Step 3: Cross multiply
    1,569.06x = 2,350.35 × 1,386.90
  4. Step 4: Simplify right side
    1,569.06x = 3,259,700.42
  5. Step 5: Solve for x
    x = 3,259,700.42/1,569.06
  6. Step 6: Final answer
    x = 2,077.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.