Home / 1,886.68-2,603.63-1,047.33

Finding the Fourth Proportional to 1,886.68, 2,603.63 and 1,047.33

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Solution

The fourth proportional to 1,886.68, 2,603.63 and 1,047.33 is: 1,445.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886.68 : 2,603.63 = 1,047.33 : x
  2. Step 2: Convert to fraction form
    1,886.68/2,603.63 = 1,047.33/x
  3. Step 3: Cross multiply
    1,886.68x = 2,603.63 × 1,047.33
  4. Step 4: Simplify right side
    1,886.68x = 2,726,859.81
  5. Step 5: Solve for x
    x = 2,726,859.81/1,886.68
  6. Step 6: Final answer
    x = 1,445.32

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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.