Home / 2,417.61-3,335.93-1,355.30

Finding the Fourth Proportional to 2,417.61, 3,335.93 and 1,355.30

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Solution

The fourth proportional to 2,417.61, 3,335.93 and 1,355.30 is: 1,870.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,417.61 : 3,335.93 = 1,355.30 : x
  2. Step 2: Convert to fraction form
    2,417.61/3,335.93 = 1,355.30/x
  3. Step 3: Cross multiply
    2,417.61x = 3,335.93 × 1,355.30
  4. Step 4: Simplify right side
    2,417.61x = 4,521,162.47
  5. Step 5: Solve for x
    x = 4,521,162.47/2,417.61
  6. Step 6: Final answer
    x = 1,870.10

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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.