Home / 1,570.16-2,348.82-1,045.28

Finding the Fourth Proportional to 1,570.16, 2,348.82 and 1,045.28

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Solution

The fourth proportional to 1,570.16, 2,348.82 and 1,045.28 is: 1,563.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570.16 : 2,348.82 = 1,045.28 : x
  2. Step 2: Convert to fraction form
    1,570.16/2,348.82 = 1,045.28/x
  3. Step 3: Cross multiply
    1,570.16x = 2,348.82 × 1,045.28
  4. Step 4: Simplify right side
    1,570.16x = 2,455,162.83
  5. Step 5: Solve for x
    x = 2,455,162.83/1,570.16
  6. Step 6: Final answer
    x = 1,563.64

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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.