Home / 1,590.34-2,386.02-1,129.03

Finding the Fourth Proportional to 1,590.34, 2,386.02 and 1,129.03

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Solution

The fourth proportional to 1,590.34, 2,386.02 and 1,129.03 is: 1,693.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590.34 : 2,386.02 = 1,129.03 : x
  2. Step 2: Convert to fraction form
    1,590.34/2,386.02 = 1,129.03/x
  3. Step 3: Cross multiply
    1,590.34x = 2,386.02 × 1,129.03
  4. Step 4: Simplify right side
    1,590.34x = 2,693,888.16
  5. Step 5: Solve for x
    x = 2,693,888.16/1,590.34
  6. Step 6: Final answer
    x = 1,693.91

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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.