Home / 1,886.32-2,603.14-1,047.10

Finding the Fourth Proportional to 1,886.32, 2,603.14 and 1,047.10

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Solution

The fourth proportional to 1,886.32, 2,603.14 and 1,047.10 is: 1,445.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886.32 : 2,603.14 = 1,047.10 : x
  2. Step 2: Convert to fraction form
    1,886.32/2,603.14 = 1,047.10/x
  3. Step 3: Cross multiply
    1,886.32x = 2,603.14 × 1,047.10
  4. Step 4: Simplify right side
    1,886.32x = 2,725,750.97
  5. Step 5: Solve for x
    x = 2,725,750.97/1,886.32
  6. Step 6: Final answer
    x = 1,445.01

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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.