Home / 1,570.48-2,166.96-1,010.08

Finding the Fourth Proportional to 1,570.48, 2,166.96 and 1,010.08

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Solution

The fourth proportional to 1,570.48, 2,166.96 and 1,010.08 is: 1,393.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570.48 : 2,166.96 = 1,010.08 : x
  2. Step 2: Convert to fraction form
    1,570.48/2,166.96 = 1,010.08/x
  3. Step 3: Cross multiply
    1,570.48x = 2,166.96 × 1,010.08
  4. Step 4: Simplify right side
    1,570.48x = 2,188,802.96
  5. Step 5: Solve for x
    x = 2,188,802.96/1,570.48
  6. Step 6: Final answer
    x = 1,393.72

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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.