Home / 1,574.30-2,357.34-1,053.47

Finding the Fourth Proportional to 1,574.30, 2,357.34 and 1,053.47

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Solution

The fourth proportional to 1,574.30, 2,357.34 and 1,053.47 is: 1,577.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574.30 : 2,357.34 = 1,053.47 : x
  2. Step 2: Convert to fraction form
    1,574.30/2,357.34 = 1,053.47/x
  3. Step 3: Cross multiply
    1,574.30x = 2,357.34 × 1,053.47
  4. Step 4: Simplify right side
    1,574.30x = 2,483,388.91
  5. Step 5: Solve for x
    x = 2,483,388.91/1,574.30
  6. Step 6: Final answer
    x = 1,577.45

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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.